diff --git a/shell/platform/darwin/ios/ios_external_texture_gl.mm b/shell/platform/darwin/ios/ios_external_texture_gl.mm
index e7e15d5719196..fe2bee3315f4c 100644
--- a/shell/platform/darwin/ios/ios_external_texture_gl.mm
+++ b/shell/platform/darwin/ios/ios_external_texture_gl.mm
@@ -64,6 +64,9 @@
       buffer_ref_.Reset(pixelBuffer);
     }
     CreateTextureFromPixelBuffer();
+    if (buffer_ref_) {
+      buffer_ref_.Reset(nullptr);
+    }
   }
   if (!texture_ref_) {
     return;