diff --git a/changelog b/changelog
index afbe5a656b7..42e793f47b7 100644
--- a/changelog
+++ b/changelog
@@ -9,6 +9,7 @@ Version 1.11.2+dev:
      text box overflow occurs.
    * Change Difficulty checkbox in Load Game dialog in GUI1 gets disabled if
      change in difficulty of a loading game won't take effect (bug #20381).
+   * Fixed 'end turn' button's state issue: button stays disabled after the first turn.
  * WML engine:
    * Fixed invalid memory access issues caused by subnamespaced persistent WML
      variables (bug #20385).
diff --git a/src/playsingle_controller.cpp b/src/playsingle_controller.cpp
index ba8ef3433ae..5bfc4bf79ce 100644
--- a/src/playsingle_controller.cpp
+++ b/src/playsingle_controller.cpp
@@ -693,6 +693,7 @@ void playsingle_controller::before_human_turn(bool save)
 	browse_ = false;
 	linger_ = false;
 
+	set_button_state(*gui_);
 
 	ai::manager::raise_turn_started();