diff --git a/src/vissim.cc b/src/vissim.cc
index 37a826d..83ae8f0 100644
--- a/src/vissim.cc
+++ b/src/vissim.cc
@@ -1,7 +1,11 @@
+// clang-format off
+// glad must be included before any other OpenGL libraries
+#include <glad/gl.h>
+// clang-format on
+
 #include <GLFW/glfw3.h>
 #include <GLFW/glfw3native.h>
 #include <X11/Xlib.h>
-#include <glad/gl.h>
 #include <signal.h>
 #include <unistd.h>