diff --git a/src/st/st-texture-cache.c b/src/st/st-texture-cache.c
index 346ac4a8a..2dceeca37 100644
--- a/src/st/st-texture-cache.c
+++ b/src/st/st-texture-cache.c
@@ -489,7 +489,7 @@ decode_image (const char *val)
     {
       if (error)
         {
-          g_warning (error->message);
+          g_warning ("%s\n", error->message);
           g_error_free (error);
         }
       else