diff --git a/uppsrc/Core/Core.h b/uppsrc/Core/Core.h
index c26f84555..5965f7955 100644
--- a/uppsrc/Core/Core.h
+++ b/uppsrc/Core/Core.h
@@ -260,7 +260,7 @@ namespace std {
 #define UPP               Upp
 
 // #define atof @ // atof is broken, as it depends on setlocale - might want ',' instead of '.' breaking a lot of code
-// Use Atof instead (which accepts both '.' and ',' as decimal separator)
+// Use Atof instead which is fixed with '.'
 
 namespace Upp {
 
diff --git a/uppsrc/Core/CvFlt.cpp b/uppsrc/Core/CvFlt.cpp
index 2cc76bd96..6cbe13f77 100644
--- a/uppsrc/Core/CvFlt.cpp
+++ b/uppsrc/Core/CvFlt.cpp
@@ -660,7 +660,7 @@ double ScanDouble(const wchar *ptr)
 double Atof(const char *s)
 {
 	double n;
-	return ScanDbl<char, byte>(n, s, ',') ? n : 0;
+	return ScanDbl<char, byte>(n, s, 0) ? n : 0;
 }
 
 double CParser::ReadDouble()