diff --git a/src/dict.c b/src/dict.c
index 50fe1eb..903f073 100644
--- a/src/dict.c
+++ b/src/dict.c
@@ -3,6 +3,7 @@
 #include <import/eb32tree.h>
 #include <import/ebistree.h>
 #include <haproxy/dict.h>
+#include <haproxy/thread.h>
 
 struct dict *new_dict(const char *name)
 {