diff --git a/lib/libshare/nfs.c b/lib/libshare/nfs.c
index 3251913cba6..118ad7ef220 100644
--- a/lib/libshare/nfs.c
+++ b/lib/libshare/nfs.c
@@ -91,6 +91,7 @@ nfs_init_tmpfile(const char *prefix, const char *mdir, struct tmpfile *tmpf)
 	    mkdir(mdir, 0755) < 0 &&
 	    errno != EEXIST) {
 		fprintf(stderr, "failed to create %s: %s\n",
+		// cppcheck-suppress uninitvar
 		    mdir, strerror(errno));
 		return (B_FALSE);
 	}