diff --git a/Xlib/ext/randr.py b/Xlib/ext/randr.py
index 9cbfe2d..515703b 100644
--- a/Xlib/ext/randr.py
+++ b/Xlib/ext/randr.py
@@ -36,6 +36,7 @@
 
 from Xlib import X
 from Xlib.protocol import rq
+from Xlib.error import XError
 
 extname = 'RANDR'
 
@@ -123,11 +124,11 @@
 BadRRMode                   = 2
 
 # Error classes #
-class BadRROutputError(Exception): pass
+class BadRROutputError(XError): pass
 
-class BadRRCrtcError(Exception): pass
+class BadRRCrtcError(XError): pass
 
-class BadRRModeError(Exception): pass
+class BadRRModeError(XError): pass
 
 # Data Structures #