diff --git a/autogen/gen_hooks.py b/autogen/gen_hooks.py
index 98aea889b..73d74769f 100644
--- a/autogen/gen_hooks.py
+++ b/autogen/gen_hooks.py
@@ -309,17 +309,20 @@ def main():
                 name=input["name"]
             )
 
+        n_outputs = len(hook_event["outputs"])
         generated += SMLUA_CALL_EVENT_HOOKS_CALLBACK.format(
             n_inputs=len(hook_event["inputs"]) - mod_index_found,
-            n_outputs=len(hook_event["outputs"]),
+            n_outputs=n_outputs,
             hook_type=hook_event["type"],
             set_hook_result=set_hook_result
         )
 
+        # Note: relative indexes for return values are reversed in the Lua stack
+        # -1 is the last value, -2 the penultimate, ... and -N the first
         for i, output in enumerate(hook_event["outputs"]):
             generated += SMLUA_TYPES[output["type"]]["output"].format(
                 name=output["name"],
-                output_index=i+1,
+                output_index=n_outputs - i,
                 return_on_output_set=return_on_output_set
             )
 
diff --git a/src/pc/lua/smlua_hook_events_autogen.inl b/src/pc/lua/smlua_hook_events_autogen.inl
index 84fe42ee5..eb2b7647f 100644
--- a/src/pc/lua/smlua_hook_events_autogen.inl
+++ b/src/pc/lua/smlua_hook_events_autogen.inl
@@ -1082,13 +1082,13 @@ bool smlua_call_event_hooks_HOOK_ON_DIALOG(s32 dialogID, bool *openDialogBox, co
         hookResult = true;
 
         // return openDialogBox
-        if (lua_type(L, -1) == LUA_TBOOLEAN) {
-            *openDialogBox = smlua_to_boolean(L, -1);
+        if (lua_type(L, -2) == LUA_TBOOLEAN) {
+            *openDialogBox = smlua_to_boolean(L, -2);
         }
 
         // return dialogTextOverride
-        if (lua_type(L, -2) == LUA_TSTRING) {
-            *dialogTextOverride = smlua_to_string(L, -2);
+        if (lua_type(L, -1) == LUA_TSTRING) {
+            *dialogTextOverride = smlua_to_string(L, -1);
         }
 
         lua_settop(L, prevTop);