diff --git a/OpenUDID.m b/OpenUDID.m
index 904066e..dc2ae6b 100644
--- a/OpenUDID.m
+++ b/OpenUDID.m
@@ -391,6 +391,7 @@ + (NSString*) valueWithError:(NSError **)error {
                                      userInfo:[NSDictionary dictionaryWithObjectsAndKeys:@"OpenUDID succesfully retrieved",@"description", nil]];
     }
     kOpenUDIDSessionCache = [openUDID retain];
+    CFRelease(appUID);
     return kOpenUDIDSessionCache;
 }