Index: openacs-4/packages/search/lib/navbar.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/search/lib/navbar.tcl,v
diff -u -N -r1.4 -r1.4.8.1
--- openacs-4/packages/search/lib/navbar.tcl	13 Feb 2009 21:26:43 -0000	1.4
+++ openacs-4/packages/search/lib/navbar.tcl	3 Oct 2013 08:01:38 -0000	1.4.8.1
@@ -27,7 +27,7 @@
 }
 
 if { $current_result_page > 0 } { 
-    set offset [expr ($current_result_page - 1) * $limit]
+    set offset [expr {($current_result_page - 1) * $limit}]
     set url_previous [export_vars -base search {{q $urlencoded_query} search_package_id offset num}]
 } else {
     set url_previous ""