diff --git a/apps/eq_menu.c b/apps/eq_menu.c
index 5dc554316c..63c6fa20f8 100644
--- a/apps/eq_menu.c
+++ b/apps/eq_menu.c
@@ -719,7 +719,7 @@ static bool eq_save_preset(void)
     /* allow user to modify filename */
     while (true) {
         if (!kbd_input(filename, sizeof filename)) {
-            fd = creat(filename,0);
+            fd = creat(filename, O_WRONLY);
             if (fd < 0)
                 gui_syncsplash(HZ, true, str(LANG_FAILED));
             else
diff --git a/apps/plugins/battery_test.c b/apps/plugins/battery_test.c
index e94070f137..0d38b3281c 100644
--- a/apps/plugins/battery_test.c
+++ b/apps/plugins/battery_test.c
@@ -68,7 +68,7 @@ int init(void)
 #endif
 
     /* create a big dummy file */
-    f = rb->creat("/battery.dummy", 0);
+    f = rb->creat("/battery.dummy", O_WRONLY);
     if (f<0) {
         rb->splash(HZ, true, "Can't create /battery.dummy");
         return -1;
diff --git a/apps/plugins/calendar.c b/apps/plugins/calendar.c
index 464d810342..a57cadedd2 100644
--- a/apps/plugins/calendar.c
+++ b/apps/plugins/calendar.c
@@ -316,7 +316,7 @@ static bool save_memo(int changed, bool new_mod, struct shown *shown)
 {
     int fp,fq;
     fp = rb->open("/.rockbox/.memo",O_RDONLY | O_CREAT);
-    fq = rb->creat("/.rockbox/~temp", 0);
+    fq = rb->creat("/.rockbox/~temp", O_WRONLY);
     if ( (fq != -1) && (fp != -1) )
     {
         int i;
@@ -345,7 +345,7 @@ static bool save_memo(int changed, bool new_mod, struct shown *shown)
             rb->write(fq,temp,1);
         }
         rb->close(fp);
-        fp = rb->creat("/.rockbox/.memo", 0);
+        fp = rb->creat("/.rockbox/.memo", O_WRONLY);
         rb->lseek(fp, 0, SEEK_SET);
         rb->lseek(fq, 0, SEEK_SET);
         for (i = 0; i < rb->filesize(fq); i++)
diff --git a/apps/plugins/iriverify.c b/apps/plugins/iriverify.c
index a0f8d50a5f..47cb385f0f 100644
--- a/apps/plugins/iriverify.c
+++ b/apps/plugins/iriverify.c
@@ -67,7 +67,7 @@ static int write_file(void)
     
     rb->snprintf(tmpfilename, MAX_PATH+1, "%s.tmp", filename);
     
-    fd = rb->creat(tmpfilename, 0);
+    fd = rb->creat(tmpfilename, O_WRONLY);
     if(fd < 0)
         return 10 * fd - 1;
 
diff --git a/apps/plugins/lib/configfile.c b/apps/plugins/lib/configfile.c
index f2f0a39da0..d5b60bcfbc 100644
--- a/apps/plugins/lib/configfile.c
+++ b/apps/plugins/lib/configfile.c
@@ -34,7 +34,7 @@ int configfile_save(const char *filename, struct configdata *cfg,
     char buf[MAX_PATH];
 
     cfg_rb->snprintf(buf, MAX_PATH, "/.rockbox/rocks/%s", filename);
-    fd = cfg_rb->creat(buf, 0);
+    fd = cfg_rb->creat(buf, O_WRONLY);
     if(fd < 0)
         return fd*10 - 1;
 
diff --git a/apps/plugins/search.c b/apps/plugins/search.c
index fb9d239dc7..b8cc5bff5e 100644
--- a/apps/plugins/search.c
+++ b/apps/plugins/search.c
@@ -126,7 +126,7 @@ static bool search_init(char* file)
         if (fd==-1)
             return false;
 
-        fdw = rb->creat(resultfile,0);
+        fdw = rb->creat(resultfile, O_WRONLY);
 
         if (fdw < 0) {
 #ifdef HAVE_LCD_BITMAP
diff --git a/apps/plugins/sort.c b/apps/plugins/sort.c
index 7ba510ec32..77342f33e9 100644
--- a/apps/plugins/sort.c
+++ b/apps/plugins/sort.c
@@ -140,7 +140,7 @@ static int write_file(void)
 
     /* Create a temporary file */
     rb->snprintf(tmpfilename, MAX_PATH+1, "%s.tmp", filename);
-    fd = rb->creat(tmpfilename, 0);
+    fd = rb->creat(tmpfilename, O_WRONLY);
     if(fd < 0)
         return 10 * fd - 1;
 
diff --git a/apps/settings.c b/apps/settings.c
index 8122c58aa8..0d6ee1d376 100644
--- a/apps/settings.c
+++ b/apps/settings.c
@@ -1588,7 +1588,7 @@ bool settings_save_config(void)
     /* allow user to modify filename */
     while (true) {
         if (!kbd_input(filename, sizeof filename)) {
-            fd = creat(filename,0);
+            fd = creat(filename, O_WRONLY);
             if (fd < 0)
                 gui_syncsplash(HZ, true, str(LANG_FAILED));
             else
diff --git a/apps/tree.c b/apps/tree.c
index 05961db66c..35cefb163d 100644
--- a/apps/tree.c
+++ b/apps/tree.c
@@ -1148,7 +1148,7 @@ bool create_playlist(void)
         gui_textarea_update(&screens[i]);
 #endif
     }
-    fd = creat(filename,0);
+    fd = creat(filename, O_WRONLY);
     if (fd < 0)
         return false;
 
diff --git a/firmware/font.c b/firmware/font.c
index 5eb6f7450f..40f99b330d 100644
--- a/firmware/font.c
+++ b/firmware/font.c
@@ -522,7 +522,7 @@ void glyph_cache_save(void)
 
     if (fnt_file >= 0) {
 
-        glyph_file = creat(GLYPH_CACHE_FILE, 0);
+        glyph_file = creat(GLYPH_CACHE_FILE, O_WRONLY);
 
         if (glyph_file < 0) return;