diff --git a/PVRTCEncoder/test/DecompTestPVR.cpp b/PVRTCEncoder/test/DecompTestPVR.cpp
index 6ac498a..e5a64f2 100644
--- a/PVRTCEncoder/test/DecompTestPVR.cpp
+++ b/PVRTCEncoder/test/DecompTestPVR.cpp
@@ -82,7 +82,11 @@ class ImageTester {
     uint32 *outPixels = new uint32[w * h];
 
     DecompressionJob dcj(data, reinterpret_cast<uint8 *>(outPixels), w, h);
-    PVRTCC::Decompress(dcj, PVRTCC::eWrapMode_Wrap);
+#ifdef OUTPUT_DEBUG_IMAGE
+    PVRTCC::Decompress(dcj, twobpp, PVRTCC::eWrapMode_Wrap, true);
+#else
+    PVRTCC::Decompress(dcj, twobpp, PVRTCC::eWrapMode_Wrap);
+#endif
 
     bool result = pvrtexture::Transcode(pvrTex,
                                         pvrtexture::PVRStandard8PixelType,