diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 073000c7b0874875ddf172045a1ef40df71bf1b2..3dca0270b6458a76bc22445eac63a5edb04d679b 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -89,6 +89,7 @@ Views 2.3
     o #345528: Mini-pager generated invalid HTML with empty li tags.
     o #351745: Exposed taxonomy term autocomplete filter failed if term existed in multiple vocabularies.
     o #353002: tracker view had wrong argument and was not picking up comments by the selected user.
+    o Case sensitivity on string filter checkmark was backward.
 
   Other changes:
     o #288801 by drewish and eaton: Aggregator item support! Make views of feeds!
diff --git a/handlers/views_handler_filter_string.inc b/handlers/views_handler_filter_string.inc
index e131aa90442395524707cfc82bde23312dc8ce34..479af2b2f4107e08485794881e0ff7bef130ef9e 100644
--- a/handlers/views_handler_filter_string.inc
+++ b/handlers/views_handler_filter_string.inc
@@ -193,7 +193,7 @@ class views_handler_filter_string extends views_handler_filter {
   }
 
   function case_transform() {
-    return empty($this->options['case']) ? '' : 'UPPER';
+    return !empty($this->options['case']) ? '' : 'UPPER';
   }
 
   /**