diff --git a/dlls/nsiproxy.sys/Makefile.in b/dlls/nsiproxy.sys/Makefile.in
index 3b83a4ddaac..87f7e165ef4 100644
--- a/dlls/nsiproxy.sys/Makefile.in
+++ b/dlls/nsiproxy.sys/Makefile.in
@@ -1,4 +1,3 @@
-EXTRADEFS = -DWINE_NO_LONG_TYPES
 MODULE    = nsiproxy.sys
 UNIXLIB   = nsiproxy.so
 IMPORTS   = ntoskrnl
diff --git a/dlls/nsiproxy.sys/device.c b/dlls/nsiproxy.sys/device.c
index cc9b00d3359..d3845829a85 100644
--- a/dlls/nsiproxy.sys/device.c
+++ b/dlls/nsiproxy.sys/device.c
@@ -266,7 +266,7 @@ static NTSTATUS WINAPI nsi_ioctl( DEVICE_OBJECT *device, IRP *irp )
     IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
     NTSTATUS status;
 
-    TRACE( "ioctl %x insize %u outsize %u\n",
+    TRACE( "ioctl %lx insize %lu outsize %lu\n",
            irpsp->Parameters.DeviceIoControl.IoControlCode,
            irpsp->Parameters.DeviceIoControl.InputBufferLength,
            irpsp->Parameters.DeviceIoControl.OutputBufferLength );
@@ -290,7 +290,7 @@ static NTSTATUS WINAPI nsi_ioctl( DEVICE_OBJECT *device, IRP *irp )
         break;
 
     default:
-        FIXME( "ioctl %x not supported\n", irpsp->Parameters.DeviceIoControl.IoControlCode );
+        FIXME( "ioctl %lx not supported\n", irpsp->Parameters.DeviceIoControl.IoControlCode );
         status = STATUS_NOT_SUPPORTED;
         break;
     }
@@ -316,7 +316,7 @@ static int add_device( DRIVER_OBJECT *driver )
         status = IoCreateSymbolicLink( &link, &name );
     if (status)
     {
-        FIXME( "failed to create device error %x\n", status );
+        FIXME( "failed to create device error %lx\n", status );
         return 0;
     }
 
@@ -341,7 +341,7 @@ static DWORD WINAPI listen_thread_proc( void *arg )
     params.reply_len = irpsp->Parameters.DeviceIoControl.OutputBufferLength;
 
     status = nsiproxy_call( icmp_listen, &params );
-    TRACE( "icmp_listen rets %08x\n", status );
+    TRACE( "icmp_listen rets %08lx\n", status );
 
     EnterCriticalSection( &nsiproxy_cs );
 
@@ -375,7 +375,7 @@ static void handle_queued_send_echo( IRP *irp )
     params.dst = &in->dst;
 
     status = nsiproxy_call( icmp_send_echo, &params );
-    TRACE( "icmp_send_echo rets %08x\n", status );
+    TRACE( "icmp_send_echo rets %08lx\n", status );
 
     if (status != STATUS_PENDING)
     {
diff --git a/dlls/nsiproxy.sys/tcp.c b/dlls/nsiproxy.sys/tcp.c
index 0dbee8418b9..5734c4d9ee0 100644
--- a/dlls/nsiproxy.sys/tcp.c
+++ b/dlls/nsiproxy.sys/tcp.c
@@ -404,7 +404,7 @@ unsigned int find_owning_pid( struct pid_map *map, unsigned int num_entries, UIN
     unsigned int i, len_socket;
     char socket[32];
 
-    sprintf( socket, "socket:[%lu]", inode );
+    sprintf( socket, "socket:[%zu]", inode );
     len_socket = strlen( socket );
     for (i = 0; i < num_entries; i++)
     {