1 files changed, 9 insertions, 6 deletions
diff --git a/lib/sasl/src/systools_make.erl b/lib/sasl/src/systools_make.erl
index d8adfeb98f..61e660e918 100644
--- a/lib/sasl/src/systools_make.erl
+++ b/lib/sasl/src/systools_make.erl
@@ -1468,15 +1468,18 @@ pack_app(#application{name=Name,vsn=V,id=Id,description=D,modules=M,
       {applications, App},
       {included_applications, Incs},
       {env, Env},
-      {start_phases, SF},
       {maxT, MaxT},
       {maxP, MaxP} |
-      behave(Mod)]}.
-
+      behave([{start_phases,SF},{mod,Mod}])]}.
+
+behave([{mod,[]}|T]) ->
+    behave(T);
+behave([{start_phases,undefined}|T]) ->
+    behave(T);
+behave([H|T]) ->
+    [H|behave(T)];
 behave([]) ->
-    [];
-behave(Mod) ->
-    [{mod, Mod}].
+    [].
 
 %%______________________________________________________________________
 %% mandatory modules; this modules must be loaded before processes