--- a/gfx/2d/DrawTargetCapture.cpp
+++ b/gfx/2d/DrawTargetCapture.cpp
@@ -199,16 +199,17 @@ DrawTargetCaptureImpl::ReplayToDrawTarge
 
 bool
 DrawTargetCaptureImpl::ContainsOnlyColoredGlyphs(RefPtr<ScaledFont>& aScaledFont,
                                                  Color& aColor,
                                                  std::vector<Glyph>& aGlyphs)
 {
   uint8_t* start = &mDrawCommandStorage.front();
   uint8_t* current = start;
+  bool result = false;
 
   while (current < start + mDrawCommandStorage.size()) {
     DrawingCommand* command =
       reinterpret_cast<DrawingCommand*>(current + sizeof(uint32_t));
     current += *(uint32_t*)current;
 
     if (command->GetType() != CommandType::FILLGLYPHS &&
         command->GetType() != CommandType::SETTRANSFORM) {
@@ -246,14 +247,15 @@ DrawTargetCaptureImpl::ContainsOnlyColor
       return false;
     }
 
     //TODO: Deal with AA on the DrawOptions, and the GlyphRenderingOptions
 
     aGlyphs.insert(aGlyphs.end(),
                    fillGlyphs->mGlyphs.begin(),
                    fillGlyphs->mGlyphs.end());
+    result = true;
   }
-  return true;
+  return result;
 }
 
 } // namespace gfx
 } // namespace mozilla