diff --git a/app_language.cpp b/app_language.cpp
index 702c2f9..f28be35 100644
--- a/app_language.cpp
+++ b/app_language.cpp
@@ -557,6 +557,17 @@ class lang_mgr
 	}
 
 public:
+	static bool is_english_cp(int cp)
+	{
+		return cp == 37 	// IBM EBCDIC US-Canada
+			|| cp == 437	// OEM-US
+			|| cp == 500	// IBM EBCDIC International
+			|| cp == 1146	// IBM EBCDIC England
+			|| cp == 1252	// ANSI west Europe
+			|| cp == 20127	// English - US
+			|| cp == 20285	// IBM EBCDIC English
+			;
+	}
 	static int get_os_code_page(void)
 	{
 		char* locale = setlocale(LC_ALL, "");
@@ -583,21 +594,21 @@ public:
 			}
 			if (!found && strrchr(locale, '.'))
 			{
-				// windows: Chinese (Simplified)_China.DEFAULT_CODE_PAGE
-				locale = strrchr(locale, '.') + 1;
-				if (*locale >= '0' && *locale <= '9')
-					cp = atoi(locale);
+				if (strstr(locale, "English"))
+					cp = 20127;
+				else
+				{
+					// windows: Chinese (Simplified)_China.DEFAULT_CODE_PAGE
+					locale = strrchr(locale, '.') + 1;
+					if (*locale >= '0' && *locale <= '9')
+						cp = atoi(locale);
+				}
 			}
 			if(end)
 				*end = ';';
 		}
 
-		if (cp == 37 		// IBM EBCDIC US-Canada
-			|| cp == 437	// OEM-US
-			|| cp == 500	// IBM EBCDIC International
-			|| cp == 1146	// IBM EBCDIC England
-			|| cp == 20285	// IBM EBCDIC English
-			)
+		if (lang_mgr::is_english_cp(cp))
 			cp = 20127;
 
 		return cp;
@@ -805,12 +816,7 @@ extern "C"
 	}
 	int lang_set_code_page(int cp)
 	{
-		if (cp == 37 		// IBM EBCDIC US-Canada
-			|| cp == 437	// OEM-US
-			|| cp == 500	// IBM EBCDIC International
-			|| cp == 1146	// IBM EBCDIC England
-			|| cp == 20285	// IBM EBCDIC English
-			)
+		if (lang_mgr::is_english_cp(cp))
 			cp = 20127;
 
 		return lang_mgr::instance()->set_code_page(cp);