diff --git a/GPU/GPUState.h b/GPU/GPUState.h
index 4af00e9caf..de31c0554d 100644
--- a/GPU/GPUState.h
+++ b/GPU/GPUState.h
@@ -384,11 +384,13 @@ struct GPUgstate
 
 	// Transfers
 	u32 getTransferSrcAddress() const { return (transfersrc & 0xFFFFF0) | ((transfersrcw & 0xFF0000) << 8); }
-	u32 getTransferSrcStride() const { return transfersrcw & 0x3F8; }
+	// Bits 0xf800 are ignored, > 0x400 is treated as 0.
+	u32 getTransferSrcStride() const { int stride = transfersrcw & 0x7F8; return stride > 0x400 ? 0 : stride; }
 	int getTransferSrcX() const { return (transfersrcpos >> 0) & 0x3FF; }
 	int getTransferSrcY() const { return (transfersrcpos >> 10) & 0x3FF; }
 	u32 getTransferDstAddress() const { return (transferdst & 0xFFFFF0) | ((transferdstw & 0xFF0000) << 8); }
-	u32 getTransferDstStride() const { return transferdstw & 0x3F8; }
+	// Bits 0xf800 are ignored, > 0x400 is treated as 0.
+	u32 getTransferDstStride() const { int stride = transferdstw & 0x7F8; return stride > 0x400 ? 0 : stride; }
 	int getTransferDstX() const { return (transferdstpos >> 0) & 0x3FF; }
 	int getTransferDstY() const { return (transferdstpos >> 10) & 0x3FF; }
 	int getTransferWidth() const { return ((transfersize >> 0) & 0x3FF) + 1; }