diff --git a/fakeid.c b/fakeid.c
index 9d7d45d..0c6e0c4 100644
--- a/fakeid.c
+++ b/fakeid.c
@@ -7,8 +7,12 @@
 #include <string.h>
 #include <sys/types.h>
 
+char *getlogin(void) {
+    return getenv("USER");
+}
+
 int getlogin_r(char *buf, size_t bufsize) {
-    strncpy(buf, getenv("USER"), bufsize);
+    strncpy(buf, getlogin(), bufsize);
     return 0;
 }