diff --git a/wsutil/Makefile.common b/wsutil/Makefile.common
index 9261ea469e..ba181e95d6 100644
--- a/wsutil/Makefile.common
+++ b/wsutil/Makefile.common
@@ -82,6 +82,7 @@ LIBWSUTIL_INCLUDES = 	\
 	sha1.h		\
 	strnatcmp.h	\
 	str_util.h	\
+	pint.h		\
 	rc4.h		\
 	report_err.h	\
 	tempfile.h	\