diff --git a/extensions/GNUmakefile.in b/extensions/GNUmakefile.in
index 0a30290..03c02f1 100644
--- a/extensions/GNUmakefile.in
+++ b/extensions/GNUmakefile.in
@@ -60,7 +60,9 @@ targets_install := ${obj-m}
 
 .PHONY: all install clean distclean FORCE
 
-all: modules ${targets} matches.man targets.man
+all: modules user matches.man targets.man
+
+user: ${targets}
 
 install: modules_install ${targets_install}
 	@mkdir -p "${DESTDIR}${xtlibdir}";
diff --git a/extensions/libxt_CHAOS.c b/extensions/libxt_CHAOS.c
index cb4634d..91d591a 100644
--- a/extensions/libxt_CHAOS.c
+++ b/extensions/libxt_CHAOS.c
@@ -8,6 +8,7 @@
  */
 #include <getopt.h>
 #include <stdbool.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <string.h>
 
diff --git a/extensions/libxt_geoip.c b/extensions/libxt_geoip.c
index 1783a85..ecee2cc 100644
--- a/extensions/libxt_geoip.c
+++ b/extensions/libxt_geoip.c
@@ -20,6 +20,7 @@
 #include <fcntl.h>
 #include <getopt.h>
 #include <stddef.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/extensions/libxt_portscan.c b/extensions/libxt_portscan.c
index 61ed702..244c6f2 100644
--- a/extensions/libxt_portscan.c
+++ b/extensions/libxt_portscan.c
@@ -7,6 +7,7 @@
  *	2 or 3 as published by the Free Software Foundation.
  */
 #include <stdbool.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>