--- trunk/grubby/grubby.c	2017/06/27 14:37:30	3018
+++ trunk/grubby/grubby.c	2017/06/27 14:38:16	3019
@@ -681,6 +681,8 @@
 	int fallbackImage;	/* just like defaultImage */
 	int flags;
 	struct configFileInfo *cfi;
+	int isModified;		/* assumes only one entry added
+				   per invocation of grubby */
 };
 
 blkid_cache blkid;
@@ -1300,6 +1302,7 @@
 	cfg->theLines = NULL;
 	cfg->entries = NULL;
 	cfg->fallbackImage = 0;
+	cfg->isModified = 0;
 
 	/* copy everything we have */
 	while (*head) {
@@ -4729,8 +4732,10 @@
 	}
 
 	if (updateImage(config, indexs, prefix, newKernelArgs, NULL,
-			newMBKernelArgs, NULL))
+			newMBKernelArgs, NULL)) {
+		config->isModified = 1;
 		return 1;
+	}
 
 	return 0;
 }