diff --git a/net/ipv4/netfilter/ip_conntrack_ftp.c b/net/ipv4/netfilter/ip_conntrack_ftp.c
index d77d6b3f5f80163e8b3f97b3a6121257431ca914..59e12b02b22ce82d31ae0c5769bdbce783ca5e24 100644
--- a/net/ipv4/netfilter/ip_conntrack_ftp.c
+++ b/net/ipv4/netfilter/ip_conntrack_ftp.c
@@ -29,9 +29,9 @@ static char *ftp_buffer;
 static DEFINE_SPINLOCK(ip_ftp_lock);
 
 #define MAX_PORTS 8
-static short ports[MAX_PORTS];
+static unsigned short ports[MAX_PORTS];
 static int ports_c;
-module_param_array(ports, short, &ports_c, 0400);
+module_param_array(ports, ushort, &ports_c, 0400);
 
 static int loose;
 module_param(loose, int, 0600);
diff --git a/net/ipv4/netfilter/ip_conntrack_irc.c b/net/ipv4/netfilter/ip_conntrack_irc.c
index 15457415a4f32b45bd5f9883956cf308a86be5fd..2dea1db14406a9a39b622dee4618b4401f4f86e6 100644
--- a/net/ipv4/netfilter/ip_conntrack_irc.c
+++ b/net/ipv4/netfilter/ip_conntrack_irc.c
@@ -34,7 +34,7 @@
 #include <linux/moduleparam.h>
 
 #define MAX_PORTS 8
-static short ports[MAX_PORTS];
+static unsigned short ports[MAX_PORTS];
 static int ports_c;
 static int max_dcc_channels = 8;
 static unsigned int dcc_timeout = 300;
@@ -52,7 +52,7 @@ EXPORT_SYMBOL_GPL(ip_nat_irc_hook);
 MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
 MODULE_DESCRIPTION("IRC (DCC) connection tracking helper");
 MODULE_LICENSE("GPL");
-module_param_array(ports, short, &ports_c, 0400);
+module_param_array(ports, ushort, &ports_c, 0400);
 MODULE_PARM_DESC(ports, "port numbers of IRC servers");
 module_param(max_dcc_channels, int, 0400);
 MODULE_PARM_DESC(max_dcc_channels, "max number of expected DCC channels per IRC session");
diff --git a/net/ipv4/netfilter/ip_conntrack_tftp.c b/net/ipv4/netfilter/ip_conntrack_tftp.c
index a78736b8525d1d865fb0c2ae9a2e28dd3d7d2cad..d3c5a371f993e390a5f6c521b649050be8d950b9 100644
--- a/net/ipv4/netfilter/ip_conntrack_tftp.c
+++ b/net/ipv4/netfilter/ip_conntrack_tftp.c
@@ -26,9 +26,9 @@ MODULE_DESCRIPTION("tftp connection tracking helper");
 MODULE_LICENSE("GPL");
 
 #define MAX_PORTS 8
-static short ports[MAX_PORTS];
+static unsigned short ports[MAX_PORTS];
 static int ports_c;
-module_param_array(ports, short, &ports_c, 0400);
+module_param_array(ports, ushort, &ports_c, 0400);
 MODULE_PARM_DESC(ports, "port numbers of tftp servers");
 
 #if 0