diff --git a/source/core/gameinput.h b/source/core/gameinput.h
index 1ab5674b1..c82061a67 100644
--- a/source/core/gameinput.h
+++ b/source/core/gameinput.h
@@ -32,7 +32,7 @@ struct PlayerAngles
 	}
 
 	// Render angle functions.
-	const DRotator& getCameraAngles()
+	const DRotator& getCameraAngles() const
 	{
 		return CameraAngles;
 	}