diff --git a/src/CxbxKrnl/EmuD3D8/Convert.cpp b/src/CxbxKrnl/EmuD3D8/Convert.cpp
index 58a1a9df6..0a22099ee 100755
--- a/src/CxbxKrnl/EmuD3D8/Convert.cpp
+++ b/src/CxbxKrnl/EmuD3D8/Convert.cpp
@@ -1037,7 +1037,7 @@ XTL::D3DFORMAT XTL::EmuXB2PC_D3DFormat(X_D3DFORMAT Format)
 	{
 		const FormatInfo *info = &FormatInfos[Format];
 		if (info->warning != nullptr) {
-			DbgPrintf("%s", info->warning);
+			DbgPrintf("EmuXB2PC_D3DFormat %s\n", info->warning);
 		}
 
 		return info->pc;