diff --git a/React/Views/RCTWebView.m b/React/Views/RCTWebView.m
index cddd9ede1..d0e133333 100644
--- a/React/Views/RCTWebView.m
+++ b/React/Views/RCTWebView.m
@@ -80,6 +80,9 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)aDecoder)
     NSString *html = [RCTConvert NSString:source[@"html"]];
     if (html) {
       NSURL *baseURL = [RCTConvert NSURL:source[@"baseUrl"]];
+      if (!baseURL) {
+        baseURL = [NSURL URLWithString:@"about:blank"];
+      }
       [_webView loadHTMLString:html baseURL:baseURL];
       return;
     }