diff --git a/src/LangBulgarianModel.cpp b/src/LangBulgarianModel.cpp
index 0f73282..379cc5f 100644
--- a/src/LangBulgarianModel.cpp
+++ b/src/LangBulgarianModel.cpp
@@ -241,5 +241,5 @@ const SequenceModel Win1251BulgarianModel =
   BulgarianLangModel,
   (float)0.969392,
   PR_FALSE,
-  "windows-1251"
+  "WINDOWS-1251"
 };
diff --git a/src/LangCyrillicModel.cpp b/src/LangCyrillicModel.cpp
index d8e73e8..9be222d 100644
--- a/src/LangCyrillicModel.cpp
+++ b/src/LangCyrillicModel.cpp
@@ -315,7 +315,7 @@ const SequenceModel Win1251Model =
   RussianLangModel,
   (float)0.976601,
   PR_FALSE,
-  "windows-1251"
+  "WINDOWS-1251"
 };
 
 const SequenceModel Latin5Model = 
@@ -333,7 +333,7 @@ const SequenceModel MacCyrillicModel =
   RussianLangModel,
   (float)0.976601,
   PR_FALSE,
-  "x-mac-cyrillic"
+  "MAC-CYRILLIC"
 };
 
 const SequenceModel Ibm866Model = 
diff --git a/src/LangGreekModel.cpp b/src/LangGreekModel.cpp
index 30c65dc..8040c99 100644
--- a/src/LangGreekModel.cpp
+++ b/src/LangGreekModel.cpp
@@ -240,5 +240,5 @@ const SequenceModel Win1253Model =
   GreekLangModel,
   (float)0.982851,
   PR_FALSE,
-  "windows-1253"
+  "WINDOWS-1253"
 };
diff --git a/src/LangHebrewModel.cpp b/src/LangHebrewModel.cpp
index a4e10ad..523203e 100644
--- a/src/LangHebrewModel.cpp
+++ b/src/LangHebrewModel.cpp
@@ -214,6 +214,6 @@ const SequenceModel Win1255Model =
   HebrewLangModel,
   (float)0.984004,
   PR_FALSE,
-  "windows-1255"
+  "WINDOWS-1255"
 };
 
diff --git a/src/LangHungarianModel.cpp b/src/LangHungarianModel.cpp
index 3af2f58..7eecf4e 100644
--- a/src/LangHungarianModel.cpp
+++ b/src/LangHungarianModel.cpp
@@ -238,5 +238,5 @@ const SequenceModel Win1250HungarianModel =
   HungarianLangModel,
   (float)0.947368,
   PR_TRUE,
-  "windows-1250"
+  "WINDOWS-1250"
 };