diff --git a/mk/spdk.common.mk b/mk/spdk.common.mk
index fcc5f7d29..5c7d26fb6 100644
--- a/mk/spdk.common.mk
+++ b/mk/spdk.common.mk
@@ -97,8 +97,8 @@ COMMON_CFLAGS += -Werror
 endif
 
 ifeq ($(CONFIG_LTO),y)
-COMMON_CFLAGS += -flto
-LDFLAGS += -flto
+COMMON_CFLAGS += -flto=auto
+LDFLAGS += -flto=auto
 endif
 
 ifeq ($(CONFIG_PGO_CAPTURE),y)