diff --git a/src/doomerrors.h b/src/doomerrors.h
index 3d780466b9..831db4a91e 100644
--- a/src/doomerrors.h
+++ b/src/doomerrors.h
@@ -38,6 +38,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <exception>
+#include <stdexcept>
 
 #define MAX_ERRORTEXT	1024
 
diff --git a/src/hwrenderer/models/hw_models.cpp b/src/hwrenderer/models/hw_models.cpp
index d4241c0263..95ee844118 100644
--- a/src/hwrenderer/models/hw_models.cpp
+++ b/src/hwrenderer/models/hw_models.cpp
@@ -147,7 +147,7 @@ FModelVertexBuffer::FModelVertexBuffer(bool needindex, bool singleframe)
 		{ 1, VATTR_VERTEX2, VFmt_Float3, (int)myoffsetof(FModelVertex, x) },
 		{ 1, VATTR_NORMAL2, VFmt_Packed_A2R10G10B10, (int)myoffsetof(FModelVertex, packedNormal) }
 	};
-	mVertexBuffer->SetFormat(2, 4, sizeof(FModelVertex), format);
+	mVertexBuffer->SetFormat(2, 5, sizeof(FModelVertex), format);
 }
 
 //===========================================================================