diff --git a/lib/libspl/include/sys/trace_defs.h b/lib/libspl/include/sys/trace_defs.h
index 058b9e8ec..87ed5ad3c 100644
--- a/lib/libspl/include/sys/trace_defs.h
+++ b/lib/libspl/include/sys/trace_defs.h
@@ -1,7 +1,7 @@
 /* Here to keep the libspl build happy */
 
 #ifndef _LIBSPL_ZFS_TRACE_H
-#define	_LIBSPL__ZFS_TRACE_H
+#define	_LIBSPL_ZFS_TRACE_H
 
 /*
  * The set-error SDT probe is extra static, in that we declare its fake