diff --git a/auto/cc/msvc b/auto/cc/msvc
index 3b5385b..ff7dc90 100644
--- a/auto/cc/msvc
+++ b/auto/cc/msvc
@@ -79,13 +79,11 @@ CFLAGS="$CFLAGS $CPU_OPT"
 
 
 # warnings
-# CFLAGS="$CFLAGS -W4"
+CFLAGS="$CFLAGS -W4"
 
 # stop on warning
 # CFLAGS="$CFLAGS -WX"
 
-CFLAGS="$CFLAGS -w"
-
 # disable logo
 CFLAGS="$CFLAGS -nologo"
 
diff --git a/lib/sass-nginx-module b/lib/sass-nginx-module
index 4deef7c..edc380c 160000
--- a/lib/sass-nginx-module
+++ b/lib/sass-nginx-module
@@ -1 +1 @@
-Subproject commit 4deef7c7f233388f102e665b29bb151c92f5fbb0
+Subproject commit edc380c706df50fcd83915b710d181d9bb04e352