diff --git a/package/iwinfo/Makefile b/package/iwinfo/Makefile
index db8a3da25f..5fd04d3d15 100644
--- a/package/iwinfo/Makefile
+++ b/package/iwinfo/Makefile
@@ -7,7 +7,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libiwinfo
-PKG_RELEASE:=32
+PKG_RELEASE:=33
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
 PKG_CONFIG_DEPENDS := \
diff --git a/package/iwinfo/src/iwinfo_nl80211.c b/package/iwinfo/src/iwinfo_nl80211.c
index bd3a60b0ac..704049007a 100644
--- a/package/iwinfo/src/iwinfo_nl80211.c
+++ b/package/iwinfo/src/iwinfo_nl80211.c
@@ -1541,7 +1541,8 @@ static int nl80211_get_scanlist_cb(struct nl_msg *msg, void *arg)
 
 	if (bss[NL80211_BSS_SIGNAL_MBM])
 	{
-		sl->e->signal = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]) / 100;
+		sl->e->signal =
+			(uint8_t)((int32_t)nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]) / 100);
 
 		rssi = sl->e->signal - 0x100;