diff --git a/nsprpub/config/nsinstall.c b/nsprpub/config/nsinstall.c
index 646072a59fed..bbe788e39d03 100644
--- a/nsprpub/config/nsinstall.c
+++ b/nsprpub/config/nsinstall.c
@@ -57,7 +57,9 @@
 
 #include "pathsub.h"
 
+#ifndef HAVE_LCHOWN
 #define HAVE_LCHOWN
+#endif
 
 #if defined(AIX) || defined(BSDI) || defined(HPUX) || defined(LINUX) \
     || defined(SUNOS4) || defined(SCO) || defined(UNIXWARE) \