diff --git a/src/modules/graphics/vulkan/StreamBuffer.cpp b/src/modules/graphics/vulkan/StreamBuffer.cpp
index de4e4d73c..517a69eaa 100644
--- a/src/modules/graphics/vulkan/StreamBuffer.cpp
+++ b/src/modules/graphics/vulkan/StreamBuffer.cpp
@@ -96,7 +96,7 @@ ptrdiff_t StreamBuffer::getHandle() const
 	return (ptrdiff_t) buffer;
 }
 
-size_t getGPUReadOffset() const override
+size_t StreamBuffer::getGPUReadOffset() const
 {
 	return (frameIndex * bufferSize) + frameGPUReadOffset;
 }
diff --git a/src/modules/graphics/vulkan/StreamBuffer.h b/src/modules/graphics/vulkan/StreamBuffer.h
index 6b2c11772..c32533d13 100644
--- a/src/modules/graphics/vulkan/StreamBuffer.h
+++ b/src/modules/graphics/vulkan/StreamBuffer.h
@@ -47,6 +47,7 @@ class StreamBuffer final
 
 	virtual void unloadVolatile() override;
 
+	size_t getGPUReadOffset() const override;
 	MapInfo map(size_t minsize) override;
 	size_t unmap(size_t usedSize) override;
 	void markUsed(size_t usedSize) override;