Index: uspace/lib/posix/src/stdio.c
===================================================================
--- uspace/lib/posix/src/stdio.c	(revision 1c7f38170ae59d6ce57e8d9dc903fba31f74ad15)
+++ uspace/lib/posix/src/stdio.c	(revision e0f47f53448ea5824cda6d06a7b34f8d2d74c41e)
@@ -239,5 +239,5 @@
 int posix_fsetpos(FILE *stream, const posix_fpos_t *pos)
 {
-	return fseek(stream, pos->offset, SEEK_SET);
+	return fseek64(stream, pos->offset, SEEK_SET);
 }
 
@@ -250,5 +250,5 @@
 int posix_fgetpos(FILE *restrict stream, posix_fpos_t *restrict pos)
 {
-	off64_t ret = ftell(stream);
+	off64_t ret = ftell64(stream);
 	if (ret != -1) {
 		pos->offset = ret;
@@ -269,5 +269,5 @@
 int posix_fseek(FILE *stream, long offset, int whence)
 {
-	return fseek(stream, (off64_t) offset, whence);
+	return fseek(stream, offset, whence);
 }
 
@@ -282,5 +282,5 @@
 int posix_fseeko(FILE *stream, posix_off_t offset, int whence)
 {
-	return fseek(stream, (off64_t) offset, whence);
+	return fseek64(stream, offset, whence);
 }
 
@@ -293,5 +293,5 @@
 long posix_ftell(FILE *stream)
 {
-	return (long) ftell(stream);
+	return ftell(stream);
 }
 
@@ -304,5 +304,5 @@
 posix_off_t posix_ftello(FILE *stream)
 {
-	return (posix_off_t) ftell(stream);
+	return ftell64(stream);
 }