diff --git a/components/body_sniffer/body_sniffer_url_loader.cc b/components/body_sniffer/body_sniffer_url_loader.cc
index c680b67e418..261ac78bfb6 100644
--- a/components/body_sniffer/body_sniffer_url_loader.cc
+++ b/components/body_sniffer/body_sniffer_url_loader.cc
@@ -450,6 +450,10 @@ void BodySnifferURLLoader::ForwardBodyToClient() {
 }
 
 void BodySnifferURLLoader::Cancel() {
+  if (!throttle_) {
+    Abort();
+    return;
+  }
   throttle_->Cancel();
 }