--- initjimsh.tcl.orig	Sun Apr  5 20:13:49 2015
+++ initjimsh.tcl	Mon Apr  6 19:26:10 2015
@@ -22,7 +22,12 @@ proc _jimsh_init {} {
 
 	# Add to the standard auto_path
 	lappend p {*}[split [env JIMLIB {}] $tcl_platform(pathSeparator)]
-	if {[exists jim::exe]} {
+
+# OpenBSD layout.
+# Jim extensions shouldn't be installed in ${LOCALBASE}/bin.
+# Don't add ${LOCALBASE}/bin to the auto_path.
+
+	if {[exists jim::exe] && [file dirname $jim::exe] ne {${LOCALBASE}/bin}} {
 		lappend p [file dirname $jim::exe]
 	}
 	lappend p {*}$auto_path