diff --git a/include/etl/private/to_string_helper.h b/include/etl/private/to_string_helper.h
index db69b65a..456c7359 100644
--- a/include/etl/private/to_string_helper.h
+++ b/include/etl/private/to_string_helper.h
@@ -41,6 +41,7 @@ SOFTWARE.
 #include "../basic_format_spec.h"
 #include "../type_traits.h"
 #include "../container.h"
+#include "../absolute.h"
 
 #include "../stl/algorithm.h"
 #include "../stl/iterator.h"
@@ -258,7 +259,7 @@ namespace etl
 
         T f_integral = (value < T(0.0) ? ceil(value) : floor(value));
         int64_t integral = static_cast<int64_t>(f_integral);
-        int64_t fractional = static_cast<int64_t>(round((value - f_integral) * multiplier));
+        int64_t fractional = etl::absolute(static_cast<int64_t>(round((value - f_integral) * multiplier)));
 
         etl::private_to_string::add_integral_fractional(integral, fractional, str, integral_format, fractional_format);
       }
diff --git a/include/etl/version.h b/include/etl/version.h
index 58d4ef68..ea226332 100644
--- a/include/etl/version.h
+++ b/include/etl/version.h
@@ -39,7 +39,7 @@ SOFTWARE.
 
 #define ETL_VERSION_MAJOR 14
 #define ETL_VERSION_MINOR 35
-#define ETL_VERSION_PATCH  0
+#define ETL_VERSION_PATCH  1
 
 #define ETL_VERSION       ETL_STRINGIFY(ETL_VERSION_MAJOR) "." ETL_STRINGIFY(ETL_VERSION_MINOR) "." ETL_STRINGIFY(ETL_VERSION_PATCH)
 #define ETL_VERSION_W     ETL_STRINGIFY(ETL_VERSION_MAJOR) L"." ETL_STRINGIFY(ETL_VERSION_MINOR) L"." ETL_STRINGIFY(ETL_VERSION_PATCH)
diff --git a/library.json b/library.json
index 65c3e4b4..fcd7ecd6 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "Embedded Template Library",
-  "version": "14.35.0",
+  "version": "14.35.1",
   "authors": {
     "name": "John Wellbelove",
     "email": "<john.wellbelove@etlcpp.com>"
diff --git a/library.properties b/library.properties
index 08ec01f7..756fc899 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Embedded Template Library
-version=14.35.0
+version=14.35.1
 author= John Wellbelove <john.wellbelove@etlcpp.com>
 maintainer=John Wellbelove <john.wellbelove@etlcpp.com>
 license=MIT
diff --git a/support/Release notes.txt b/support/Release notes.txt
index c992de32..62ffba6d 100644
--- a/support/Release notes.txt	
+++ b/support/Release notes.txt	
@@ -1,3 +1,7 @@
+===============================================================================
+14.35.1
+Fixed incorrect result for negative float to string.
+
 ===============================================================================
 14.35.0
 Changed namespace for alternate ETL's STL support.
diff --git a/test/test_to_string.cpp b/test/test_to_string.cpp
index 79a73e2c..82152601 100644
--- a/test/test_to_string.cpp
+++ b/test/test_to_string.cpp
@@ -273,6 +273,9 @@ namespace
 
       CHECK_EQUAL(etl::string<20>(STR(" 12.345678")), etl::to_string(12.345678, str, Format().precision(6).width(10).right()));
       CHECK_EQUAL(etl::string<20>(STR("12.345678 ")), etl::to_string(12.345678, str, Format().precision(6).width(10).left()));
+
+      CHECK_EQUAL(etl::string<20>(STR(" -12.345678")), etl::to_string(-12.345678, str, Format().precision(6).width(11).right()));
+      CHECK_EQUAL(etl::string<20>(STR("-12.345678 ")), etl::to_string(-12.345678, str, Format().precision(6).width(11).left()));
     }
 
     //*************************************************************************
@@ -285,6 +288,12 @@ namespace
 
       str.assign(STR("Result "));
       CHECK_EQUAL(etl::string<20>(STR("Result 12.345678 ")), etl::to_string(12.345678, str, Format().precision(6).width(10).left(), true));
+
+      str.assign(STR("Result "));
+      CHECK_EQUAL(etl::string<20>(STR("Result  -12.345678")), etl::to_string(-12.345678, str, Format().precision(6).width(11).right(), true));
+
+      str.assign(STR("Result "));
+      CHECK_EQUAL(etl::string<20>(STR("Result -12.345678 ")), etl::to_string(-12.345678, str, Format().precision(6).width(11).left(), true));
     }
 
     //*************************************************************************
diff --git a/test/test_to_u16string.cpp b/test/test_to_u16string.cpp
index f1aea7da..8fd7d5b1 100644
--- a/test/test_to_u16string.cpp
+++ b/test/test_to_u16string.cpp
@@ -267,6 +267,9 @@ namespace
 
       CHECK_EQUAL(etl::u16string<20>(STR(" 12.345678")), etl::to_string(12.345678, str, Format().precision(6).width(10).right()));
       CHECK_EQUAL(etl::u16string<20>(STR("12.345678 ")), etl::to_string(12.345678, str, Format().precision(6).width(10).left()));
+
+      CHECK_EQUAL(etl::u16string<20>(STR(" -12.345678")), etl::to_string(-12.345678, str, Format().precision(6).width(11).right()));
+      CHECK_EQUAL(etl::u16string<20>(STR("-12.345678 ")), etl::to_string(-12.345678, str, Format().precision(6).width(11).left()));
     }
 
     //*************************************************************************
@@ -279,6 +282,12 @@ namespace
 
       str.assign(STR("Result "));
       CHECK_EQUAL(etl::u16string<20>(STR("Result 12.345678 ")), etl::to_string(12.345678, str, Format().precision(6).width(10).left(), true));
+
+      str.assign(STR("Result "));
+      CHECK_EQUAL(etl::u16string<20>(STR("Result  -12.345678")), etl::to_string(-12.345678, str, Format().precision(6).width(11).right(), true));
+
+      str.assign(STR("Result "));
+      CHECK_EQUAL(etl::u16string<20>(STR("Result -12.345678 ")), etl::to_string(-12.345678, str, Format().precision(6).width(11).left(), true));
     }
 
     //*************************************************************************
diff --git a/test/test_to_u32string.cpp b/test/test_to_u32string.cpp
index 4064dde8..7b5cc3ec 100644
--- a/test/test_to_u32string.cpp
+++ b/test/test_to_u32string.cpp
@@ -270,6 +270,9 @@ namespace
 
       CHECK_EQUAL(etl::u32string<20>(STR(" 12.345678")), etl::to_string(12.345678, str, Format().precision(6).width(10).right()));
       CHECK_EQUAL(etl::u32string<20>(STR("12.345678 ")), etl::to_string(12.345678, str, Format().precision(6).width(10).left()));
+
+      CHECK_EQUAL(etl::u32string<20>(STR(" -12.345678")), etl::to_string(-12.345678, str, Format().precision(6).width(11).right()));
+      CHECK_EQUAL(etl::u32string<20>(STR("-12.345678 ")), etl::to_string(-12.345678, str, Format().precision(6).width(11).left()));
     }
 
     //*************************************************************************
@@ -282,6 +285,12 @@ namespace
 
       str.assign(STR("Result "));
       CHECK_EQUAL(etl::u32string<20>(STR("Result 12.345678 ")), etl::to_string(12.345678, str, Format().precision(6).width(10).left(), true));
+
+      str.assign(STR("Result "));
+      CHECK_EQUAL(etl::u32string<20>(STR("Result  -12.345678")), etl::to_string(-12.345678, str, Format().precision(6).width(11).right(), true));
+
+      str.assign(STR("Result "));
+      CHECK_EQUAL(etl::u32string<20>(STR("Result -12.345678 ")), etl::to_string(-12.345678, str, Format().precision(6).width(11).left(), true));
     }
 
     //*************************************************************************
diff --git a/test/test_to_wstring.cpp b/test/test_to_wstring.cpp
index bc575ce1..e5d3095c 100644
--- a/test/test_to_wstring.cpp
+++ b/test/test_to_wstring.cpp
@@ -271,6 +271,9 @@ namespace
 
       CHECK_EQUAL(etl::wstring<20>(STR(" 12.345678")), etl::to_string(12.345678, str, Format().precision(6).width(10).right()));
       CHECK_EQUAL(etl::wstring<20>(STR("12.345678 ")), etl::to_string(12.345678, str, Format().precision(6).width(10).left()));
+
+      CHECK_EQUAL(etl::wstring<20>(STR(" -12.345678")), etl::to_string(-12.345678, str, Format().precision(6).width(11).right()));
+      CHECK_EQUAL(etl::wstring<20>(STR("-12.345678 ")), etl::to_string(-12.345678, str, Format().precision(6).width(11).left()));
     }
 
     //*************************************************************************
@@ -283,6 +286,12 @@ namespace
 
       str.assign(STR("Result "));
       CHECK_EQUAL(etl::wstring<20>(STR("Result 12.345678 ")), etl::to_string(12.345678, str, Format().precision(6).width(10).left(), true));
+
+      str.assign(STR("Result "));
+      CHECK_EQUAL(etl::wstring<20>(STR("Result  -12.345678")), etl::to_string(-12.345678, str, Format().precision(6).width(11).right(), true));
+
+      str.assign(STR("Result "));
+      CHECK_EQUAL(etl::wstring<20>(STR("Result -12.345678 ")), etl::to_string(-12.345678, str, Format().precision(6).width(11).left(), true));
     }
 
     //*************************************************************************