diff --git a/coreutils/du.c b/coreutils/du.c
index e5fe5ffe2..e95f3a2f1 100644
--- a/coreutils/du.c
+++ b/coreutils/du.c
@@ -235,10 +235,8 @@ int du_main(int argc, char **argv)
 		total += du(*argv);
 		slink_depth = slink_depth_save;
 	} while (*++argv);
-#if ENABLE_FEATURE_CLEAN_UP
-	reset_ino_dev_hashtable();
-#endif
-
+	if (ENABLE_FEATURE_CLEAN_UP)
+		reset_ino_dev_hashtable();
 	if (print_final_total) {
 		print(total, "total");
 	}
diff --git a/libbb/inode_hash.c b/libbb/inode_hash.c
index 0705102b8..78c1b0f9e 100644
--- a/libbb/inode_hash.c
+++ b/libbb/inode_hash.c
@@ -77,7 +77,7 @@ void reset_ino_dev_hashtable(void)
 	int i;
 	ino_dev_hashtable_bucket_t *bucket;
 
-	for (i = 0; i < HASH_SIZE; i++) {
+	for (i = 0; ino_dev_hashtable && i < HASH_SIZE; i++) {
 		while (ino_dev_hashtable[i] != NULL) {
 			bucket = ino_dev_hashtable[i]->next;
 			free(ino_dev_hashtable[i]);
@@ -87,4 +87,6 @@ void reset_ino_dev_hashtable(void)
 	free(ino_dev_hashtable);
 	ino_dev_hashtable = NULL;
 }
+#else
+void reset_ino_dev_hashtable(void);
 #endif