diff --git a/project_issue.module b/project_issue.module
index c5e5eb0..2c6f3a2 100644
--- a/project_issue.module
+++ b/project_issue.module
@@ -982,7 +982,7 @@ function project_issue_preprocess_views_view_table($variables) {
         $variables['row_classes'][$num][] = "priority-$result->project_issues_priority";
       }
     }
-    $variables['class'] .= " project-issue";
+    $variables['class'] = " project-issue";
   }
 }