diff --git a/aserver/aserver.c b/aserver/aserver.c
index 2838702..c2c7f91 100644
--- a/aserver/aserver.c
+++ b/aserver/aserver.c
@@ -35,6 +35,8 @@
 
 #include "aserver.h"
 
+#undef open
+
 char *command;
 
 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)