diff --git a/src/gui/moviebrowser.cpp b/src/gui/moviebrowser.cpp
index cc2740d94..d996801ba 100644
--- a/src/gui/moviebrowser.cpp
+++ b/src/gui/moviebrowser.cpp
@@ -3982,7 +3982,7 @@ printf("\n");
 	find_new_part(npart, dpart);
 tt = time(0);
 printf("\n********* new file %s expected size %lld, start time %s", dpart, newsize, ctime (&tt));
-	dstfd = open (dpart, O_CREAT|O_WRONLY|O_TRUNC| O_LARGEFILE);
+	dstfd = open (dpart, O_CREAT|O_WRONLY|O_TRUNC| O_LARGEFILE, 0644);
 	if(dstfd < 0) {
 		perror(dpart);
 		return 0;
@@ -4217,7 +4217,7 @@ printf("\ncopy: processing bookmark %d at %lld len %lld\n", i, books[i].pos, boo
 		}
 		if(!dst_done || !onefile) {
 			find_new_part(npart, dpart);
-			dstfd = open (dpart, O_CREAT|O_WRONLY|O_TRUNC| O_LARGEFILE);
+			dstfd = open (dpart, O_CREAT|O_WRONLY|O_TRUNC| O_LARGEFILE, 0644);
 printf("copy: new file %s fd %d\n", dpart, dstfd);
 			if(dstfd < 0) {
 				printf("failed to open %s\n", dpart);
diff --git a/src/gui/movieplayer.cpp b/src/gui/movieplayer.cpp
index 113b96fb8..648aa67d1 100644
--- a/src/gui/movieplayer.cpp
+++ b/src/gui/movieplayer.cpp
@@ -1126,7 +1126,7 @@ void CMoviePlayerGui::PlayFile(void)
 
 				} else {
 					char temp_name[255];
-					char *slash = strrchr(filename, '/');
+					const char *slash = strrchr(filename, '/');
 					if (slash) {
 						slash++;
 						int len = strlen(slash);
diff --git a/src/gui/update.cpp b/src/gui/update.cpp
index 9db9d8ec1..f053612c1 100644
--- a/src/gui/update.cpp
+++ b/src/gui/update.cpp
@@ -238,10 +238,10 @@ printf("[update] filename %s type %c newVersion %s md5 %s\n", filename.c_str(),
 bool CFlashUpdate::getUpdateImage(const std::string & version)
 {
 	CHTTPTool httpTool;
-	char * fname, dest_name[100];
+	char dest_name[100];
 	httpTool.setStatusViewer(this);
 
-	fname = rindex(filename.c_str(), '/');
+	const char *fname = rindex(filename.c_str(), '/');
 	if(fname != NULL) fname++;
 	else return false;
 
@@ -335,7 +335,7 @@ printf("[update] mode is %d\n", g_settings.softupdate_mode);
 			return false;
 		}
 		hide();
-		char * ptr = rindex(filename.c_str(), '.');
+		const char *ptr = rindex(filename.c_str(), '.');
 		if(ptr) {
 			ptr++;
 			if(!strcmp(ptr, "bin")) fileType = 'A';
@@ -381,7 +381,7 @@ int CFlashUpdate::exec(CMenuTarget* parent, const std::string &)
 
 	if(g_settings.softupdate_mode==1) //internet-update
 	{
-		char * fname = rindex(filename.c_str(), '/') +1;
+		const char * fname = rindex(filename.c_str(), '/') +1;
 		char fullname[255];
 
 		if(!getUpdateImage(newVersion)) {