diff --git a/lib/libproc/test/t1-bkpt/t1-bkpt.c b/lib/libproc/test/t1-bkpt/t1-bkpt.c
index 37a9fcf67668..1cd4d17f5612 100644
--- a/lib/libproc/test/t1-bkpt/t1-bkpt.c
+++ b/lib/libproc/test/t1-bkpt/t1-bkpt.c
@@ -36,7 +36,7 @@
 #include <string.h>
 #include <libproc.h>
 
-int
+int __noinline
 t1_bkpt_t()
 {
 	printf("TEST OK\n");