diff --git a/tools/testing/selftests/powerpc/include/pkeys.h b/tools/testing/selftests/powerpc/include/pkeys.h
index 3312cb1b058d72636844753bf9454203fca61178..51729d9a711109b11252730eed4e855045124fe5 100644
--- a/tools/testing/selftests/powerpc/include/pkeys.h
+++ b/tools/testing/selftests/powerpc/include/pkeys.h
@@ -24,7 +24,7 @@
 #undef PKEY_DISABLE_EXECUTE
 #define PKEY_DISABLE_EXECUTE	0x4
 
-/* Older versions of libc do not not define this */
+/* Older versions of libc do not define this */
 #ifndef SEGV_PKUERR
 #define SEGV_PKUERR	4
 #endif