1 files changed, 1 insertions, 1 deletions
diff --git a/dix/registry.c b/dix/registry.c
index 48e1b5dae..1cf7fa59e 100644
--- a/dix/registry.c
+++ b/dix/registry.c
@@ -134,6 +134,7 @@ LookupRequestName(int major, int minor)
 const char *
 LookupEventName(int event)
 {
+    event &= 127;
     if (event >= nevent)
 	return XREGISTRY_UNKNOWN;
 
@@ -153,7 +154,6 @@ const char *
 LookupResourceName(RESTYPE resource)
 {
     resource &= TypeMask;
-
     if (resource >= nresource)
 	return XREGISTRY_UNKNOWN;