diff --git a/network/asterisk/asterisk.conf b/network/asterisk/asterisk.conf
index 897535c67..086f6ea48 100644
--- a/network/asterisk/asterisk.conf
+++ b/network/asterisk/asterisk.conf
@@ -2,6 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../asterisk/asterisk.conf
+# Copyright (C) 2009 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 # Copyright (C) 1998 - 2004 Clifford Wolf
 #
@@ -33,5 +34,7 @@ makeinstopt="$makeopt install"
 
 var_append makeinstopt " " "samples"
 
-var_append GCC_WRAPPER_INSERT " " "-I/opt/postgresql/include"
-var_append GCC_WRAPPER_INSERT " " "-L/opt/postgresql/lib"
+if pkginstalled postgresql; then
+	var_append GCC_WRAPPER_INSERT " " "-I/opt/postgresql/include"
+	var_append GCC_WRAPPER_INSERT " " "-L/opt/postgresql/lib"
+fi