diff --git a/plugins/sudoers/toke.c b/plugins/sudoers/toke.c
index 535c264c5..608b39aa1 100644
--- a/plugins/sudoers/toke.c
+++ b/plugins/sudoers/toke.c
@@ -3355,6 +3355,7 @@ switch_dir(struct include_stack *stack, char *dirpath)
 	}
 	if (stat(path, &sb) != 0 || !S_ISREG(sb.st_mode)) {
 	    efree(path);
+	    path = NULL;
 	    continue;
 	}
 	pl = malloc(sizeof(*pl));
diff --git a/plugins/sudoers/toke.l b/plugins/sudoers/toke.l
index f2c4f48f8..22e852da5 100644
--- a/plugins/sudoers/toke.l
+++ b/plugins/sudoers/toke.l
@@ -656,6 +656,7 @@ switch_dir(struct include_stack *stack, char *dirpath)
 	}
 	if (stat(path, &sb) != 0 || !S_ISREG(sb.st_mode)) {
 	    efree(path);
+	    path = NULL;
 	    continue;
 	}
 	pl = malloc(sizeof(*pl));