diff --git a/src/system/libroot/posix/unistd/getlogin.c b/src/system/libroot/posix/unistd/getlogin.c
index 3a6b41049e..c76f5ae0be 100644
--- a/src/system/libroot/posix/unistd/getlogin.c
+++ b/src/system/libroot/posix/unistd/getlogin.c
@@ -36,3 +36,13 @@ int getlogin_r(char *name, size_t nameSize)
 	return ENOMEM;
 }
 
+
+char *
+cuserid(char *s)
+{
+	if (s != NULL && getlogin_r(s, L_cuserid))
+		return s;
+
+	return getlogin();
+}
+
diff --git a/src/system/libroot/posix/unistd/usergroup.c b/src/system/libroot/posix/unistd/usergroup.c
index 693ceeb393..4d3dd86511 100644
--- a/src/system/libroot/posix/unistd/usergroup.c
+++ b/src/system/libroot/posix/unistd/usergroup.c
@@ -51,16 +51,6 @@ getuid(void)
 }
 
 
-char *
-cuserid(char *s)
-{
-	if (s != NULL && getlogin_r(s, L_cuserid))
-		return s;
-
-	return getlogin();
-}
-
-
 int 
 setgid(gid_t gid)
 {