diff --git a/src/bin/pgaccess/pgaccess.sh b/src/bin/pgaccess/pgaccess.sh
index 41fd5cae16f..88b40a1149f 100755
--- a/src/bin/pgaccess/pgaccess.sh
+++ b/src/bin/pgaccess/pgaccess.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
-PATH_TO_WISH=/usr/bin/wish
-PGACCESS_HOME=/usr/local/pgaccess
+PATH_TO_WISH=__wish__
+PGACCESS_HOME=__POSTGRESDIR__/pgaccess
 
 export PATH_TO_WISH
 export PGACCESS_HOME