diff --git a/tools/testing/selftests/powerpc/pmu/lib.c b/tools/testing/selftests/powerpc/pmu/lib.c
index 0f6a4731d546c1132f79f94e65ea241d3f230461..11e26e8cf33a5381bd5c01e0fb7d387cd38d0b82 100644
--- a/tools/testing/selftests/powerpc/pmu/lib.c
+++ b/tools/testing/selftests/powerpc/pmu/lib.c
@@ -177,8 +177,8 @@ struct addr_range libc, vdso;
 
 int parse_proc_maps(void)
 {
+	unsigned long start, end;
 	char execute, name[128];
-	uint64_t start, end;
 	FILE *f;
 	int rc;