diff --git a/src/conf.c b/src/conf.c
index 1c127e5f..0b783572 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -614,7 +614,7 @@ int conf_read(char *file) {
         DPRINTF(E_FATAL,L_CONF,"Malloc eror in io_new()\n");
 
     DPRINTF(E_DBG,L_CONF,"Loading config file %s\n",conf_file);
-    if(!io_open(hconfig,"file://%U?ascii=1",conf_file)) {
+    if(!io_open(hconfig,"file://%s?ascii=1",conf_file)) {
         DPRINTF(E_LOG,L_MISC,"Error opening config file: %s\n",io_errstr(hconfig));
         io_dispose(hconfig);
         return CONF_E_FOPEN;
@@ -1256,7 +1256,7 @@ int conf_write(void) {
     if(!outfile)
         DPRINTF(E_FATAL,L_CONF,"io_new failed in conf_write\n");
 
-    if(io_open(outfile,"file://%U?mode=w&ascii=1",conf_main_file)) {
+    if(io_open(outfile,"file://%s?mode=w&ascii=1",conf_main_file)) {
         retval = _conf_write(outfile,conf_main,0,NULL);
         io_close(outfile);
         io_dispose(outfile);
diff --git a/src/configfile.c b/src/configfile.c
index 31cfe37a..74c5f9e0 100644
--- a/src/configfile.c
+++ b/src/configfile.c
@@ -482,7 +482,7 @@ void config_handler(WS_CONNINFO *pwsc) {
     }
 
     DPRINTF(E_DBG,L_CONF|L_WS,"Opening %s\n",resolved_path);
-    if(!io_open(hfile,"file://%U",resolved_path)) {
+    if(!io_open(hfile,"file://%s",resolved_path)) {
         ws_set_err(pwsc,E_WS_NATIVE);
         DPRINTF(E_WARN,L_CONF|L_WS,"Thread %d: Error opening %s: %s\n",
                 ws_threadno(pwsc),resolved_path,io_errstr(hfile));
@@ -984,7 +984,7 @@ void config_emit_include(WS_CONNINFO *pwsc, void *value, char *arg) {
                 ws_threadno(pwsc));
         return;
     }
-    if(!io_open(hfile,"file://%U",resolved_path)) {
+    if(!io_open(hfile,"file://%s",resolved_path)) {
         ws_set_err(pwsc,E_WS_NATIVE);
         DPRINTF(E_LOG,L_CONF|L_WS,"Thread %d: Error opening %s: %s\n",
                 ws_threadno(pwsc),resolved_path,io_errstr(pwsc));
diff --git a/src/err.c b/src/err.c
index 70207b36..ab7420f3 100644
--- a/src/err.c
+++ b/src/err.c
@@ -173,7 +173,7 @@ void err_reopen(void) {
         return;
 
     io_close(err_file);
-    if(!io_open("file://%U?mode=a&ascii=1",err_filename)) {
+    if(!io_open("file://%s?mode=a&ascii=1",err_filename)) {
         /* what to do when you lose your logging mechanism?  Keep
          * going?
          */
@@ -359,7 +359,7 @@ int err_setlogfile(char *file) {
 
     strncpy(err_filename,file,sizeof(err_filename)-1);
 
-    if(!io_open(err_file,"file://%U?mode=%s&ascii=1",err_filename,mode)) {
+    if(!io_open(err_file,"file://%s?mode=%s&ascii=1",err_filename,mode)) {
         fprintf(stderr,"Error opening logfile: %s",io_errstr(err_file));
         err_logdest &= ~LOGDEST_LOGFILE;
 
diff --git a/src/ff-plugins.c b/src/ff-plugins.c
index 5033838c..31a51937 100644
--- a/src/ff-plugins.c
+++ b/src/ff-plugins.c
@@ -352,7 +352,7 @@ EXPORT void pi_stream(WS_CONNINFO *pwsc, char *id) {
         if(!hfile)
             DPRINTF(E_FATAL,L_WS,"Cannot allocate file handle\n");
 
-        if(!io_open(hfile,"file://%U",pmp3->path)) {
+        if(!io_open(hfile,"file://%s",pmp3->path)) {
             /* FIXME: ws_set_errstr */
             ws_set_err(pwsc,E_WS_NATIVE);
             DPRINTF(E_WARN,L_WS,"Thread %d: Error opening %s: %s\n",
diff --git a/src/mp3-scanner.c b/src/mp3-scanner.c
index ca7af2c2..3c055be5 100644
--- a/src/mp3-scanner.c
+++ b/src/mp3-scanner.c
@@ -388,7 +388,7 @@ int scan_static_playlist(char *path) {
         return FALSE;
     }
 
-    if(io_open(hfile,"file://%U?ascii=1",path)) {
+    if(io_open(hfile,"file://%s?ascii=1",path)) {
         if(db_add_playlist(&perr,base_path,PL_STATICFILE,NULL,path,
                            0,&playlistid) != DB_E_SUCCESS) {
             DPRINTF(E_LOG,L_SCAN,"Error adding m3u %s: %s\n",path,perr);
diff --git a/src/rxml.c b/src/rxml.c
index 141e892f..8df402c3 100644
--- a/src/rxml.c
+++ b/src/rxml.c
@@ -145,7 +145,7 @@ int rxml_open(RXMLHANDLE *vp, char *file,
     if(!pnew->hfile)
         RXML_ERROR(pnew,E_RXML_MALLOC);
 
-    if(!io_open(pnew->hfile, "file://%U?ascii=1", file)) {
+    if(!io_open(pnew->hfile, "file://%s?ascii=1", file)) {
         io_dispose(pnew->hfile);
         pnew->hfile = NULL;
         RXML_ERROR(pnew,E_RXML_OPEN);   
diff --git a/src/scan-url.c b/src/scan-url.c
index ab63cc31..c59a1248 100644
--- a/src/scan-url.c
+++ b/src/scan-url.c
@@ -54,7 +54,7 @@ int scan_get_urlinfo(char *filename, MP3FILE *pmp3) {
         return FALSE;
     }
     
-    if(!io_open(hfile,"file://%U?ascii=1",filename)) {
+    if(!io_open(hfile,"file://%s?ascii=1",filename)) {
         DPRINTF(E_WARN,L_SCAN,"Could not open %s for reading: %s\n",filename,
             io_errstr(hfile));
         io_dispose(hfile);
diff --git a/src/scan-wma.c b/src/scan-wma.c
index 2bd88c5c..5c662996 100644
--- a/src/scan-wma.c
+++ b/src/scan-wma.c
@@ -984,7 +984,7 @@ int scan_get_wmainfo(char *filename, MP3FILE *pmp3) {
         return FALSE;
     }
 
-    if(!io_open(hfile,"file://%U",filename)) {
+    if(!io_open(hfile,"file://%s",filename)) {
         DPRINTF(E_INF,L_SCAN,"Error opening WMA file (%s): %s\n",filename,
             io_errstr(hfile));
         io_dispose(hfile);
diff --git a/src/webserver.c b/src/webserver.c
index ee2387c5..d566e7d4 100644
--- a/src/webserver.c
+++ b/src/webserver.c
@@ -1347,7 +1347,7 @@ void ws_defaulthandler(WS_PRIVATE *pwsp, WS_CONNINFO *pwsc) {
         return;
     }
 
-    if(!io_open(hfile,"file://%U",resolved_path)) { /* default is O_RDONLY */
+    if(!io_open(hfile,"file://%s",resolved_path)) { /* default is O_RDONLY */
         ws_set_err(pwsc,E_WS_NATIVE); /* FIXME: ws_set_errstr */
         ws_dprintf(L_WS_LOG,"Error opening %s: %s",resolved_path,
             io_errstr(hfile));