diff --git a/conditional_styles/conditional_styles.module b/conditional_styles/conditional_styles.module
index b4f09d7..2d0abe7 100644
--- a/conditional_styles/conditional_styles.module
+++ b/conditional_styles/conditional_styles.module
@@ -19,7 +19,7 @@
                 'group' => CSS_THEME,
                 'browsers' => array(
                   'IE' => $condition,
-                  '!IE' => FALSE,
+                  '!IE' => strpos($condition, '!IE') === FALSE ? FALSE : TRUE,
                 ),
                 'weight' => 999,
                 'every_page' => TRUE,