diff --git a/src/gl/textures/gl_material.cpp b/src/gl/textures/gl_material.cpp
index 5aa1d75b9..4be2e9619 100644
--- a/src/gl/textures/gl_material.cpp
+++ b/src/gl/textures/gl_material.cpp
@@ -447,6 +447,11 @@ FMaterial::FMaterial(FTexture * tx, bool expanded)
 	}
 	else if (tx->bHasCanvas)
 	{
+		if (tx->gl_info.shaderindex >= FIRST_USER_SHADER)
+		{
+			mShaderIndex = tx->gl_info.shaderindex;
+		}
+		// no brightmap for cameratexture
 	}
 	else
 	{