diff --git a/src/system/localize.cpp b/src/system/localize.cpp
index 607f7b95f..63f562437 100644
--- a/src/system/localize.cpp
+++ b/src/system/localize.cpp
@@ -223,17 +223,18 @@ CLocaleManager::loadLocale_ret_t CLocaleManager::loadLocale(const char * const l
 	fclose(fd);
 	if(buf)
 		free(buf);
-	char *_mem = (char *) realloc(*mem, memp - *mem);
-	if (_mem) {
-		if (_mem != *mem) {
-			// most likely doesn't happen
-			for(unsigned int i = 1; i < sizeof(locale_real_names)/sizeof(const char *); i++)
-				if (loadData[i] != locale_real_names[i])
-					loadData[i] -= *mem - _mem;
-			*mem = _mem;
+	if(memp - *mem > 0){
+		char *_mem = (char *) realloc(*mem, memp - *mem);
+		if (_mem) {
+			if (_mem != *mem) {
+				// most likely doesn't happen
+				for(unsigned int i = 1; i < sizeof(locale_real_names)/sizeof(const char *); i++)
+					if (loadData[i] != locale_real_names[i])
+						loadData[i] -= *mem - _mem;
+				*mem = _mem;
+			}
 		}
 	}
-
 	for (unsigned j = 1; j < (sizeof(locale_real_names)/sizeof(const char *)); j++)
 		if (loadData[j] == locale_real_names[j])
 		{