diff --git a/panel-plugin/i3w-plugin.c b/panel-plugin/i3w-plugin.c
index 18e7039..f355030 100644
--- a/panel-plugin/i3w-plugin.c
+++ b/panel-plugin/i3w-plugin.c
@@ -317,7 +317,7 @@ add_workspaces(i3WorkspacesPlugin *i3_workspaces)
         i3workspace *workspace = (i3workspace *) witem->data;
         if (workspace &&
             (i3_workspaces->config->output[0] == 0 ||
-             g_strcmp0(i3_workspaces->config->output, workspace->output)))
+             g_strcmp0(i3_workspaces->config->output, workspace->output) == 0))
         {
             GtkWidget * button;
             button = xfce_panel_create_button();