1 files changed, 1 insertions, 1 deletions
diff --git a/src/gui.h b/src/gui.h
index c57c9a19a..e7cc5d5fd 100644
--- a/src/gui.h
+++ b/src/gui.h
@@ -53,7 +53,7 @@ void ShowTownDirectory();
 void ShowIndustryDirectory();
 void ShowSubsidiesList();
 void ShowGoalsList();
-void ShowGoalQuestion(uint16 id, uint32 button_mask, const char *question);
+void ShowGoalQuestion(uint16 id, byte type, uint32 button_mask, const char *question);
 
 void ShowEstimatedCostOrIncome(Money cost, int x, int y);