diff --git a/source/vibe/templ/diet.d b/source/vibe/templ/diet.d
index 113e9ed5e7..f2c5c07f9c 100644
--- a/source/vibe/templ/diet.d
+++ b/source/vibe/templ/diet.d
@@ -1138,7 +1138,7 @@ private string filterJavaScript(string text, size_t indent)
 	auto lines = splitLines(text);
 
 	string indent_string = "\n";
-	while( indent-- >= 0 ) indent_string ~= '\t';
+	while( indent-- > 0 ) indent_string ~= '\t';
 
 	string ret = indent_string[0 .. $-1]~"<script type=\"text/javascript\">";
 	ret ~= indent_string~"//<![CDATA[";