diff -r d63ceb45d88d -r 3554dac2991b libpurple/protocols/oscar/aim.h
--- a/libpurple/protocols/oscar/aim.h	Tue Aug 06 19:57:33 2019 -0400
+++ b/libpurple/protocols/oscar/aim.h	Tue Sep 10 00:06:36 2019 -0400
@@ -19,8 +19,9 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  *
  */
-#ifndef _AIM_H_
-#define _AIM_H_
+
+#ifndef PURPLE_OSCAR_AIM_H
+#define PURPLE_OSCAR_AIM_H
 
 #include "oscar.h"
 
@@ -51,4 +52,4 @@
  */
 G_MODULE_EXPORT GType aim_protocol_get_type(void);
 
-#endif /* _AIM_H_ */
+#endif /* PURPLE_OSCAR_AIM_H */