diff --git a/src/main.c b/src/main.c
index 9cff21b..44c71c0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -67,6 +67,8 @@
     SubstructureNotifyMask|\
     StructureNotifyMask|\
     SubstructureRedirectMask|\
+    ButtonPressMask|\
+    ButtonReleaseMask|\
     KeyPressMask|\
     KeyReleaseMask|\
     FocusChangeMask|\