Index: openacs-4/packages/acs-tcl/tcl/request-processor-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/request-processor-procs.tcl,v
diff -u -r1.118.2.23 -r1.118.2.24
--- openacs-4/packages/acs-tcl/tcl/request-processor-procs.tcl	31 May 2016 11:19:20 -0000	1.118.2.23
+++ openacs-4/packages/acs-tcl/tcl/request-processor-procs.tcl	4 Jun 2016 11:10:47 -0000	1.118.2.24
@@ -583,7 +583,7 @@
     # 1. determine the root of the host and the requested URL
     if {[catch {set root [root_of_host [ad_host]]} errorMsg]} {
         # check if error message was returned already earlier
-        if {![ad_exception $::errorCode] eq "ad_script_abort"} {
+        if {[ad_exception $::errorCode] ne "ad_script_abort"} {
             ad_page_contract_handle_datasource_error "Host header is invalid"
         }
         return filter_return