1 files changed, 2 insertions, 0 deletions
diff --git a/src/utils.h b/src/utils.h
index b92ca1c..3ca91da 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -3,6 +3,8 @@
 #ifndef __CUTILS_H__
 #define __CUTILS_H__
 
+#include <stdlib.h> /* size_t */
+
 typedef struct list_item_t {
   void *data;
   size_t data_s;