diff --git a/libasn1compiler/asn1c_save.c b/libasn1compiler/asn1c_save.c
index 79f3b24..a98a8e5 100644
--- a/libasn1compiler/asn1c_save.c
+++ b/libasn1compiler/asn1c_save.c
@@ -234,7 +234,7 @@
 
     for(int i = 0; i < argc; i++)
         safe_fprintf(mkf, "%s%s", i ? " " : "", argv[i]);
-	safe_fprintf(mkf, "\n\n");
+    safe_fprintf(mkf, "\n\n");
 
     fclose(mkf);
     safe_fprintf(stderr, "Generated %s%s\n", destdir, makefile_name);