diff --git a/src/core/pistring.cpp b/src/core/pistring.cpp
index d248a92e..ef2edcf1 100755
--- a/src/core/pistring.cpp
+++ b/src/core/pistring.cpp
@@ -817,6 +817,17 @@ PIString PIString::toLowerCase() const {
 }
 
 
+PIString PIString::toNativeDecimalPoints() const {
+#ifdef HAS_LOCALE
+	PIString s(*this);
+	if (currentLocale == 0) return s;
+	return s.replaceAll(".", currentLocale->decimal_point).replaceAll(",", currentLocale->decimal_point);
+#else
+	return PIString(*this).replaceAll(",", ".");
+#endif
+}
+
+
 char PIString::toChar() const {
 	PIString s(toNativeDecimalPoints());
 	char v;
diff --git a/src/core/pistring.h b/src/core/pistring.h
index 0b4518e7..a0215dc5 100755
--- a/src/core/pistring.h
+++ b/src/core/pistring.h
@@ -469,14 +469,7 @@ public:
 	//! \brief Convert each symbol in copyed string to lower case and return it
 	PIString toLowerCase() const;
 	
-	
-	PIString toNativeDecimalPoints() const {
-#ifdef HAS_LOCALE
-		PIString s(*this); if (currentLocale == 0) return s; return s.replaceAll(".", currentLocale->decimal_point).replaceAll(",", currentLocale->decimal_point);
-#else
-		return PIString(*this).replaceAll(",", ".");
-#endif
-	}
+	PIString toNativeDecimalPoints() const;
 
 	
 	//! \brief Search substring "str" from symbol at index "start" and return first occur position