diff --git a/src/openrct2-ui/windows/Sign.cpp b/src/openrct2-ui/windows/Sign.cpp
index 28836b9741..f6efda0d8c 100644
--- a/src/openrct2-ui/windows/Sign.cpp
+++ b/src/openrct2-ui/windows/Sign.cpp
@@ -156,6 +156,7 @@ public:
                 if (tileElement == nullptr)
                 {
                     Close();
+                    return;
                 }
                 auto bannerCoords = banner->position.ToCoordsXY();