diff --git a/src/common.h b/src/common.h
index 0aa4f18..3be2665 100644
--- a/src/common.h
+++ b/src/common.h
@@ -127,8 +127,9 @@
 #include <dbus/dbus.h>
 #endif
 
-// libGL
 #ifdef CONFIG_VSYNC_OPENGL
+
+// libGL
 #if defined(CONFIG_VSYNC_OPENGL_GLSL) || defined(CONFIG_VSYNC_OPENGL_FBO)
 #define GL_GLEXT_PROTOTYPES
 #endif
@@ -145,6 +146,8 @@
 #define GLX_BACK_BUFFER_AGE_EXT 0x20F4
 #endif
 
+#endif
+
 // === Macros ===
 
 #define MSTR_(s)        #s
@@ -2485,8 +2488,6 @@ c2_matchd(session_t *ps, win *w, const c2_lptr_t *condlst,
 
 ///@}
 
-#endif
-
 /**
  * @brief Dump the given data to a file.
  */