diff --git a/src/objects/zcl_abapgit_object_auth.clas.abap b/src/objects/zcl_abapgit_object_auth.clas.abap
index 037e90c75..59ea2dc83 100644
--- a/src/objects/zcl_abapgit_object_auth.clas.abap
+++ b/src/objects/zcl_abapgit_object_auth.clas.abap
@@ -143,13 +143,19 @@ CLASS ZCL_ABAPGIT_OBJECT_AUTH IMPLEMENTATION.
 
 
   METHOD zif_abapgit_object~jump.
-
-* TODO, this function module does not exist in 702
-    CALL FUNCTION 'SU20_MAINTAIN_SNGL'
+    CALL FUNCTION 'FUNCTION_EXISTS'
       EXPORTING
-        id_field    = mv_fieldname
-        id_wbo_mode = abap_false.
-
+        funcname           = 'SU20_MAINTAIN_SNGL'
+      EXCEPTIONS
+        function_not_exist = 1
+        OTHERS             = 2.
+    IF sy-subrc = 0.
+      " this function module does not exist in 740
+      CALL FUNCTION 'SU20_MAINTAIN_SNGL'
+        EXPORTING
+          id_field    = mv_fieldname
+          id_wbo_mode = abap_false.
+    ENDIF.
   ENDMETHOD.