diff --git a/src/lib66/parser_enabled.c b/src/lib66/parser_enabled.c
index ea6550dc493a25bbfa0f2a6db34ada5b72e54ad8..2e381e47fcece90bfb799f7b83ccbcb484f4b683 100644
--- a/src/lib66/parser_enabled.c
+++ b/src/lib66/parser_enabled.c
@@ -16,7 +16,7 @@
 
 #include <string.h>
 #include <stdio.h> //rename
-#include <stdlib.h> //setenv
+#include <unistd.h> //chdir
 
 #include <oblibs/string.h>
 #include <oblibs/types.h>