diff --git a/config.mk b/config.mk
index ae4d2a47e6..4b79a88c9e 100644
--- a/config.mk
+++ b/config.mk
@@ -1,6 +1,6 @@
 
 BUILD_OPENGL = 1
-BUILD_FILTER = 1
+BUILD_FILTER = 0
 
 BUILD_RSOUND = 1
 BUILD_OSS = 1
@@ -8,5 +8,5 @@ BUILD_ALSA = 1
 BUILD_ROAR = 1
 
 
-PREFIX = /usr
+PREFIX = /usr/local
 
diff --git a/hqflt/hq.c b/hqflt/hq.c
index d8ac56718f..2653ed5a6e 100644
--- a/hqflt/hq.c
+++ b/hqflt/hq.c
@@ -6,7 +6,8 @@
 /* and is, thus, not a derivative work of the original code, */
 /* only the original equations behind the code.              */
 
-#include <strings.h>
+#include <stdlib.h>
+#include <string.h>
 
 #include "pastlib.h"