diff --git a/src/gl/scene/gl_skydome.cpp b/src/gl/scene/gl_skydome.cpp
index d0932a89f..583c6fc62 100644
--- a/src/gl/scene/gl_skydome.cpp
+++ b/src/gl/scene/gl_skydome.cpp
@@ -319,6 +319,7 @@ static void RenderBox(FTextureID texno, FMaterial * gltex, float x_offset, bool
 	FMaterial * tex;
 
 	gl_RenderState.EnableModelMatrix(true);
+	gl_RenderState.mModelMatrix.loadIdentity();
 
 	if (!sky2)
 		gl_RenderState.mModelMatrix.rotate(-180.0f+x_offset, glset.skyrotatevector.X, glset.skyrotatevector.Z, glset.skyrotatevector.Y);