diff --git a/src/torchcodec/decoders/_core/VideoDecoder.cpp b/src/torchcodec/decoders/_core/VideoDecoder.cpp
index 918520ec4..df8aaae38 100644
--- a/src/torchcodec/decoders/_core/VideoDecoder.cpp
+++ b/src/torchcodec/decoders/_core/VideoDecoder.cpp
@@ -203,6 +203,18 @@ VideoDecoder::BatchDecodedOutput::BatchDecodedOutput(
   frames = allocateEmptyHWCTensor(height, width, options.device, numFrames);
 }
 
+bool VideoDecoder::SwsContextKey::operator==(
+    const VideoDecoder::SwsContextKey& other) {
+  return decodedWidth == other.decodedWidth && decodedHeight == decodedHeight &&
+      decodedFormat == other.decodedFormat &&
+      outputWidth == other.outputWidth && outputHeight == other.outputHeight;
+}
+
+bool VideoDecoder::SwsContextKey::operator!=(
+    const VideoDecoder::SwsContextKey& other) {
+  return !(*this == other);
+}
+
 VideoDecoder::VideoDecoder() {}
 
 void VideoDecoder::initializeDecoder() {
@@ -1340,7 +1352,11 @@ int VideoDecoder::convertFrameToBufferUsingSwsScale(
   int expectedOutputHeight = outputTensor.sizes()[0];
   int expectedOutputWidth = outputTensor.sizes()[1];
   auto curFrameSwsContextKey = SwsContextKey{
-      frame->width, frame->height, frameFormat, expectedOutputWidth, expectedOutputHeight};
+      frame->width,
+      frame->height,
+      frameFormat,
+      expectedOutputWidth,
+      expectedOutputHeight};
   if (activeStream.swsContext.get() == nullptr ||
       activeStream.swsContextKey != curFrameSwsContextKey) {
     SwsContext* swsContext = sws_getContext(
diff --git a/src/torchcodec/decoders/_core/VideoDecoder.h b/src/torchcodec/decoders/_core/VideoDecoder.h
index aefeb1fc3..8ae7cc176 100644
--- a/src/torchcodec/decoders/_core/VideoDecoder.h
+++ b/src/torchcodec/decoders/_core/VideoDecoder.h
@@ -323,8 +323,8 @@ class VideoDecoder {
     AVPixelFormat decodedFormat;
     int outputWidth;
     int outputHeight;
-    bool operator==(const SwsContextKey&) const = default;
-    bool operator!=(const SwsContextKey&) const = default;
+    bool operator==(const SwsContextKey&);
+    bool operator!=(const SwsContextKey&);
   };
   // Stores information for each stream.
   struct StreamInfo {