diff --git a/payloads/libpayload/libc/string.c b/payloads/libpayload/libc/string.c
index 2e0a558..8c6ea99 100644
--- a/payloads/libpayload/libc/string.c
+++ b/payloads/libpayload/libc/string.c
@@ -473,6 +473,11 @@
         return ret * negative;
 }
 
+long atol(const char *nptr)
+{
+	return strtol(nptr, NULL, 10);
+}
+
 /**
  * Convert the initial portion of a string into an unsigned int
  * @param ptr A pointer to the string to convert