diff --git a/src/core/hle/D3D8/Direct3D9/Direct3D9.cpp b/src/core/hle/D3D8/Direct3D9/Direct3D9.cpp
index ad655d44d..fb2cb98d1 100644
--- a/src/core/hle/D3D8/Direct3D9/Direct3D9.cpp
+++ b/src/core/hle/D3D8/Direct3D9/Direct3D9.cpp
@@ -5973,6 +5973,15 @@ void CreateHostResource(xbox::X_D3DResource *pResource, DWORD D3DUsage, int iTex
 		DWORD dwCubeFaceOffset = 0;
 		DWORD dwCubeFaceSize = 0;
 		D3DCUBEMAP_FACES last_face = (bCubemap) ? D3DCUBEMAP_FACE_NEGATIVE_Z : D3DCUBEMAP_FACE_POSITIVE_X;
+
+		// Block size only applies to compressed DXT formats
+		// DXT1 block size is 8 bytes
+		// Other Xbox DXT formats are 16 bytes
+		DWORD blockSize = 0;
+		if (bCompressed) {
+			blockSize = X_Format == xbox::X_D3DFMT_DXT1 ? 8 : 16;
+		}
+
 		for (int face = D3DCUBEMAP_FACE_POSITIVE_X; face <= last_face; face++) {
 			// As we iterate through mipmap levels, we'll adjust the source resource offset
 			DWORD dwMipOffset = 0;
@@ -5982,12 +5991,6 @@ void CreateHostResource(xbox::X_D3DResource *pResource, DWORD D3DUsage, int iTex
             DWORD dwMipRowPitch = dwRowPitch;
 			DWORD dwSrcSlicePitch = dwMipRowPitch * pxMipHeight; // TODO
 
-			// Block size only applies to compressed DXT formats
-			// DXT1 block size is 8 bytes
-			// Other Xbox DXT formats are 16 bytes
-			DWORD blockSize = 0;
-			blockSize = X_Format == xbox::X_D3DFMT_DXT1 ? 8 : 16;
-
 			for (unsigned int mipmap_level = 0; mipmap_level < dwMipMapLevels; mipmap_level++) {
 
 				// Calculate size of this mipmap level