diff --git a/React/Base/RCTBundleURLProvider.mm b/React/Base/RCTBundleURLProvider.mm
index 6781f034ebb087..146280bf717507 100644
--- a/React/Base/RCTBundleURLProvider.mm
+++ b/React/Base/RCTBundleURLProvider.mm
@@ -125,6 +125,12 @@ + (BOOL)isPackagerRunning:(NSString *)host
 - (NSString *)packagerServerHost
 {
   NSString *location = [self jsLocation];
+  if (location) {
+    NSInteger index = [location rangeOfString:@":"].location;
+    if (index != NSNotFound) {
+      location = [location substringToIndex:index];
+    }
+  }
 #if RCT_DEV_MENU
   if ([location length] && ![RCTBundleURLProvider isPackagerRunning:location]) {
     location = nil;