diff --git a/src/util/virhash.h b/src/util/virhash.h
index 00b2550e70abdc65abaac81fa8a75f0ae8a98dc7..5b24fc0006cb5967f9b9acac3b8864b60a179ab5 100644
--- a/src/util/virhash.h
+++ b/src/util/virhash.h
@@ -14,6 +14,7 @@
 # define __VIR_HASH_H__
 
 # include <stdint.h>
+# include <stdbool.h>
 
 /*
  * The hash table.