diff --git a/misc/scripts/png2c.py b/misc/scripts/png2c.py
index 8d527f04b4..73f09fc0d4 100755
--- a/misc/scripts/png2c.py
+++ b/misc/scripts/png2c.py
@@ -37,7 +37,7 @@ for path in sys.argv[1:]:
 
         # Allow only filenames that make sense as C variable names
         if not(m):
-                print("Skipped file (unsuitable filename): " + filename)
+                print("Skipped file (unsuitable filename): " + filename, file=sys.stderr)
                 continue
 
         # Read PNG file as character array