diff --git a/modules/access/mms/mmstu.c b/modules/access/mms/mmstu.c
index 1a220378d3..71f5564ec3 100644
--- a/modules/access/mms/mmstu.c
+++ b/modules/access/mms/mmstu.c
@@ -678,7 +678,7 @@ static int MMSOpen( access_t  *p_access, vlc_url_t *p_url, int  i_proto )
         GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 60 );
 
     msg_Dbg( p_access,
-             "answer 0x06 flags:0x%8.8x media_length:%us packet_length:%u packet_count:%u max_bit_rate:%d header_size:%d",
+             "answer 0x06 flags:0x%8.8x media_length:%us packet_length:%lu packet_count:%u max_bit_rate:%d header_size:%d",
              p_sys->i_flags_broadcast,
              p_sys->i_media_length,
              p_sys->i_packet_length,
diff --git a/modules/control/netsync.c b/modules/control/netsync.c
index cd55db01b6..139eee0810 100644
--- a/modules/control/netsync.c
+++ b/modules/control/netsync.c
@@ -211,7 +211,8 @@ static void Run( intf_thread_t *p_intf )
             /* We received something */
             i_struct_size = sizeof( from );
             i_read = recvfrom( i_socket, p_data, MAX_MSG_LENGTH, 0,
-                               (struct sockaddr*)&from, &i_struct_size );
+                               (struct sockaddr*)&from, 
+                               (unsigned int *)&i_struct_size );
 
             i_clockref = ntoh64(*(int64_t *)p_data);
 
diff --git a/modules/misc/xml/libxml.c b/modules/misc/xml/libxml.c
index 36959b49e2..4387b1c03c 100644
--- a/modules/misc/xml/libxml.c
+++ b/modules/misc/xml/libxml.c
@@ -99,7 +99,8 @@ static void CatalogLoad( xml_t *p_xml, const char *psz_filename )
 static void CatalogAdd( xml_t *p_xml, const char *psz_arg1,
                           const char *psz_arg2, const char *psz_filename )
 {
-    xmlCatalogAdd( psz_arg1, psz_arg2, psz_filename );
+    xmlCatalogAdd( (unsigned char*)psz_arg1, (unsigned char*)psz_arg2, 
+        (unsigned char*)psz_filename );
 }
 
 /*****************************************************************************
diff --git a/src/misc/modules.c b/src/misc/modules.c
index ec20d4884f..ac2b313f33 100644
--- a/src/misc/modules.c
+++ b/src/misc/modules.c
@@ -2132,7 +2132,7 @@ static char *CacheName( void )
 
     /* Code int size, pointer size and endianness in the filename */
     int32_t x = 0xbe00001e;
-    sprintf( psz_cachename, "plugins-%.2x%.2x%.2x.dat", sizeof(int),
+    sprintf( psz_cachename, "plugins-%.2lx%.2lx%.2x.dat", sizeof(int),
              sizeof(void *), (unsigned int)((unsigned char *)&x)[0] );
     return psz_cachename;
 }