diff --git a/Objective-C/Internal/Replicator/CBLHTTPLogic.m b/Objective-C/Internal/Replicator/CBLHTTPLogic.m
index 0f7fe67e9..3c4db9634 100644
--- a/Objective-C/Internal/Replicator/CBLHTTPLogic.m
+++ b/Objective-C/Internal/Replicator/CBLHTTPLogic.m
@@ -144,7 +144,7 @@ - (CFHTTPMessageRef) newHTTPRequest {
     CFHTTPMessageRef httpMsg;
     if (_proxyType == kCBLHTTPProxy && _useProxyCONNECT) {
         NSString *destination = $sprintf(@"%@:%d", url.host, url.my_effectivePort);
-        CFURLRef requestURL = CFURLCreateWithString(kCFAllocatorDefault, (__bridge CFStringRef)destination, false);
+        CFURLRef requestURL = CFURLCreateWithString(kCFAllocatorDefault, (__bridge CFStringRef)destination, NULL);
         httpMsg = CFHTTPMessageCreateRequest(NULL,
                                              CFSTR("CONNECT"),
                                              requestURL,