diff --git a/glx/glxcmds.c b/glx/glxcmds.c
index 6a763970d..241abc6a5 100644
--- a/glx/glxcmds.c
+++ b/glx/glxcmds.c
@@ -2376,8 +2376,7 @@ __glXDisp_VendorPrivate(__GLXclientState * cl, GLbyte * pc)
         __glXGetProtocolDecodeFunction(&VendorPriv_dispatch_info,
                                        vendorcode, 0);
     if (proc != NULL) {
-        (*proc) (cl, (GLbyte *) req);
-        return Success;
+        return (*proc) (cl, (GLbyte *) req);
     }
 
     cl->client->errorValue = req->vendorCode;
diff --git a/glx/glxcmdsswap.c b/glx/glxcmdsswap.c
index 44a09e61c..10d84062e 100644
--- a/glx/glxcmdsswap.c
+++ b/glx/glxcmdsswap.c
@@ -873,8 +873,7 @@ __glXDispSwap_VendorPrivate(__GLXclientState * cl, GLbyte * pc)
         __glXGetProtocolDecodeFunction(&VendorPriv_dispatch_info,
                                        vendorcode, 1);
     if (proc != NULL) {
-        (*proc) (cl, (GLbyte *) req);
-        return Success;
+        return (*proc) (cl, (GLbyte *) req);
     }
 
     cl->client->errorValue = req->vendorCode;