diff --git a/src/ai/ai_core.cpp b/src/ai/ai_core.cpp
index 6931accc7a..ed2945cf3b 100644
--- a/src/ai/ai_core.cpp
+++ b/src/ai/ai_core.cpp
@@ -104,6 +104,7 @@
 
 	delete c->ai_instance;
 	c->ai_instance = NULL;
+	c->ai_info = NULL;
 
 	cur_company.Restore();
 
diff --git a/src/game/game_core.cpp b/src/game/game_core.cpp
index 5666180401..00930cacc1 100644
--- a/src/game/game_core.cpp
+++ b/src/game/game_core.cpp
@@ -94,6 +94,7 @@
 
 	delete Game::instance;
 	Game::instance = NULL;
+	Game::info = NULL;
 
 	cur_company.Restore();