diff --git a/net/vnstat/Makefile b/net/vnstat/Makefile
index 8a983e7d2..5cdd0c12d 100644
--- a/net/vnstat/Makefile
+++ b/net/vnstat/Makefile
@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=vnstat
-PKG_VERSION:=1.8
+PKG_VERSION:=1.9
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://humdi.net/vnstat
-PKG_MD5SUM:=99a30716b5013e7e249e500ee6ee2985
+PKG_MD5SUM:=ebaf8352fa3674faea2fe2ce1001a38d
 
 include $(INCLUDE_DIR)/package.mk
 
@@ -63,7 +63,7 @@ endef
 define Build/Compile/vnstati
 	$(MAKE) -C $(PKG_BUILD_DIR) \
 		$(TARGET_CONFIGURE_OPTS) \
-		CFLAGS="$(TARGET_CPPFLAGS)" \
+		CFLAGS="$(TARGET_CFLAGS) -I$(STAGING_DIR)/usr/include" \
 		LDFLAGS="$(TARGET_LDFLAGS) -Wl,-rpath-link,$(STAGING_DIR)/usr/lib" \
 		all
 endef
diff --git a/net/vnstat/patches/001-conf.patch b/net/vnstat/patches/001-conf.patch
index 8419ca648..d41ef00a3 100644
--- a/net/vnstat/patches/001-conf.patch
+++ b/net/vnstat/patches/001-conf.patch
@@ -1,6 +1,6 @@
 --- a/cfg/vnstat.conf
 +++ b/cfg/vnstat.conf
-@@ -69,13 +69,13 @@ TrafficlessDays 1
+@@ -72,13 +72,13 @@ TrafficlessDays 1
  ##
  
  # how often (in seconds) interface data is updated
@@ -11,9 +11,9 @@
 -PollInterval 5
 +PollInterval 30
  
- # how often (in minutes) interface data is saved to file
+ # how often (in minutes) data is saved to file
 -SaveInterval 5
 +SaveInterval 30
  
- # enable / disable logging (0 = disabled, 1 = logfile, 2 = syslog)
- UseLogging 2
+ # how often (in minutes) data is saved when all interface are offline
+ OfflineSaveInterval 30