diff --git a/src/zabapgit.prog.abap b/src/zabapgit.prog.abap
index d4288382e..70da7b4f4 100644
--- a/src/zabapgit.prog.abap
+++ b/src/zabapgit.prog.abap
@@ -3,7 +3,7 @@ REPORT zabapgit LINE-SIZE 100.
 * See http://www.abapgit.org
 
 CONSTANTS: gc_xml_version  TYPE string VALUE 'v1.0.0',      "#EC NOTEXT
-           gc_abap_version TYPE string VALUE 'v1.12.12'.    "#EC NOTEXT
+           gc_abap_version TYPE string VALUE 'v1.13.0'.     "#EC NOTEXT
 
 ********************************************************************************
 * The MIT License (MIT)
diff --git a/src/zabapgit_page_stage.prog.abap b/src/zabapgit_page_stage.prog.abap
index d1e3cbfc0..05f125bca 100644
--- a/src/zabapgit_page_stage.prog.abap
+++ b/src/zabapgit_page_stage.prog.abap
@@ -123,6 +123,8 @@ CLASS lcl_gui_page_stage IMPLEMENTATION.
         lo_toolbar->add( iv_txt = 'add'
           iv_act = 'stage_add?' && lv_param ) ##NO_TEXT.
       ENDIF.
+      lo_toolbar->add( iv_txt = 'diff'
+        iv_act = 'diff?' && lv_param ) ##NO_TEXT.
 
       IF lv_method IS INITIAL.
         lv_status = '<span class="grey">?</span>'.