1 files changed, 2 insertions, 7 deletions
diff --git a/src/util/string.h b/src/util/string.h
index e46fbf4e9..9f7b6673d 100644
--- a/src/util/string.h
+++ b/src/util/string.h
@@ -126,13 +126,8 @@ inline std::vector<std::string> str_split(const std::string &str, char delimiter
 inline std::string lowercase(const std::string &s)
 {
 	std::string s2;
-	for(size_t i=0; i<s.size(); i++)
-	{
-		char c = s[i];
-		if(c >= 'A' && c <= 'Z')
-			c -= 'A' - 'a';
-		s2 += c;
-	}
+	for(size_t i = 0; i < s.size(); i++)
+		s2[i] = tolower(s.at(i));
 	return s2;
 }