diff --git a/lib/argv_split.c b/lib/argv_split.c
index 4096ed42f490869c252b1e33ea76050fe8f1ec92..fad6ce4f7b57e353bf9b4a9d8c2dca502b4d5938 100644
--- a/lib/argv_split.c
+++ b/lib/argv_split.c
@@ -75,7 +75,9 @@ char **argv_split(gfp_t gfp, const char *str, int *argcp)
 	if (argv == NULL)
 		goto out;
 
-	*argcp = argc;
+	if (argcp)
+		*argcp = argc;
+
 	argvp = argv;
 
 	while (*str) {