Index: uspace/lib/fmgt/test/fsops.c
===================================================================
--- uspace/lib/fmgt/test/fsops.c	(revision d0dfbba5d13e96246cfe043af8cdfbe2c5b16a33)
+++ uspace/lib/fmgt/test/fsops.c	(revision 222774a69b1583c34db4419abfda9fa6a1031f74)
@@ -216,5 +216,5 @@
 	char buf[L_tmpnam];
 	char dbuffer[64];
-	char data[3] = "XYZ";
+	char data[4] = "XYZ";
 	FILE *f;
 	char *p;
@@ -239,5 +239,5 @@
 	rc = fmgt_write(fmgt, fd, p, &pos, data, sizeof(data));
 	PCUT_ASSERT_ERRNO_VAL(EOK, rc);
-	PCUT_ASSERT_INT_EQUALS(pos, 3);
+	PCUT_ASSERT_INT_EQUALS(pos, 4);
 
 	fmgt_destroy(fmgt);
@@ -248,5 +248,5 @@
 
 	nr = fread(dbuffer, 1, sizeof(dbuffer), f);
-	PCUT_ASSERT_INT_EQUALS(nr, 3);
+	PCUT_ASSERT_INT_EQUALS(nr, 4);
 	(void)fclose(f);