diff --git a/fetch b/fetch
index 8827c74a..c3663d69 100755
--- a/fetch
+++ b/fetch
@@ -1249,6 +1249,10 @@ getstyle () {
             gtk3theme=${gtk3theme/[[:space:]]/ }
         fi
 
+        # Uppercase the first letter of each gtk theme
+        gtk2theme=${gtk2theme^}
+        gtk3theme=${gtk3theme^}
+
         # Toggle visibility of gtk themes.
         [ "$gtk2" == "off" ] && unset gtk2theme
         [ "$gtk3" == "off" ] && unset gtk3theme