diff --git a/tests/basictest.cpp b/tests/basictest.cpp
index 13fb663..f34ab02 100644
--- a/tests/basictest.cpp
+++ b/tests/basictest.cpp
@@ -1561,7 +1561,7 @@ TEST_CASE("float.decimal_point") {
       "0,"
       "000000000000000000000000000000000000011754943508222875079687365372222456"
       "778186655567720875215087517062784172594547271728515625",
-      0.000000000000000000000000000000000000011754943508222875079687365372222456778186655567720875215087517062784172594547271728515625);
+      0.000000000000000000000000000000000000011754943508222875079687365372222456778186655567720875215087517062784172594547271728515625f);
   verify_options(
       "0,"
       "000000000000000000000000000000000000000000001401298464324817070923729583"