diff --git a/utils/src/mkdtimg_core.c b/utils/src/mkdtimg_core.c
index 2637295..4c2059f 100644
--- a/utils/src/mkdtimg_core.c
+++ b/utils/src/mkdtimg_core.c
@@ -199,7 +199,7 @@
   }
 
   if (fdt_check_header(fdt) != 0) {
-    fprintf(stderr, "Bad FDT header: \n", fdt_info->filename);
+    fprintf(stderr, "Bad FDT header: %s\n", fdt_info->filename);
     goto end;
   }