diff --git a/src/od65/main.c b/src/od65/main.c
index 0c9e22148..d3171f776 100644
--- a/src/od65/main.c
+++ b/src/od65/main.c
@@ -203,7 +203,7 @@ static void DumpFile (const char* Name)
     /* Try to open the file */
     FILE* F = fopen (Name, "rb");
     if (F == 0) {
-	Warning ("Cannot open `%s': %s", Name, strerror (errno));
+	Error ("Cannot open `%s': %s", Name, strerror (errno));
     }
 
     /* Read the magic word */