1 files changed, 3 insertions, 0 deletions
diff --git a/src/XRes.c b/src/XRes.c
index 474d2df..06cc78d 100644
--- a/src/XRes.c
+++ b/src/XRes.c
@@ -5,6 +5,9 @@
 
 #define NEED_EVENTS
 #define NEED_REPLIES
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
 #include <stdlib.h>
 #include <X11/Xlibint.h>
 #include <X11/Xutil.h>