diff --git a/plugins/embark-assistant/embark-assistant.cpp b/plugins/embark-assistant/embark-assistant.cpp
index cfd44a30b..13d202b7e 100644
--- a/plugins/embark-assistant/embark-assistant.cpp
+++ b/plugins/embark-assistant/embark-assistant.cpp
@@ -224,7 +224,7 @@ command_result embark_assistant(color_ostream &out, std::vector <std::string> &
     //  Find the end of the normal inorganic definitions.
     embark_assist::main::state->max_inorganic = 0;
     for (uint16_t i = 0; i < world->raws.inorganics.size(); i++) {
-        if (world->raws.inorganics[i]->flags.is_set(df::inorganic_flags::GENERATED)) embark_assist::main::state->max_inorganic = i;
+        if (!world->raws.inorganics[i]->flags.is_set(df::inorganic_flags::GENERATED)) embark_assist::main::state->max_inorganic = i;
     }
     embark_assist::main::state->max_inorganic++;  //  To allow it to be used as size() replacement