diff --git a/src/openrct2-ui/windows/NewRide.cpp b/src/openrct2-ui/windows/NewRide.cpp
index f56ee24f69..ef633f9f3f 100644
--- a/src/openrct2-ui/windows/NewRide.cpp
+++ b/src/openrct2-ui/windows/NewRide.cpp
@@ -370,7 +370,7 @@ static Widget window_new_ride_widgets[] = {
                     SetPage(_currentTab);
                     break;
                 case WIDX_FILTER_TEXT_BOX:
-                    WindowStartTextbox(*this, widgetIndex, STR_STRING, _filter.data(), TEXT_INPUT_SIZE);
+                    WindowStartTextbox(*this, widgetIndex, STR_STRING, _filter.data(), kTextInputSize);
                     break;
                 case WIDX_FILTER_CLEAR_BUTTON:
                     _filter.clear();
diff --git a/src/openrct2-ui/windows/Scenery.cpp b/src/openrct2-ui/windows/Scenery.cpp
index c1c566be51..5fdf66aaf6 100644
--- a/src/openrct2-ui/windows/Scenery.cpp
+++ b/src/openrct2-ui/windows/Scenery.cpp
@@ -276,7 +276,7 @@ static Widget WindowSceneryBaseWidgets[] = {
                     Invalidate();
                     break;
                 case WIDX_FILTER_TEXT_BOX:
-                    WindowStartTextbox(*this, widgetIndex, STR_STRING, _filteredSceneryTab.Filter.data(), TEXT_INPUT_SIZE);
+                    WindowStartTextbox(*this, widgetIndex, STR_STRING, _filteredSceneryTab.Filter.data(), kTextInputSize);
                     break;
                 case WIDX_FILTER_CLEAR_BUTTON:
                     _tabEntries[_activeTabIndex].Filter.clear();
diff --git a/src/openrct2/interface/Window.cpp b/src/openrct2/interface/Window.cpp
index b1f34b9fb6..d3cec8de5e 100644
--- a/src/openrct2/interface/Window.cpp
+++ b/src/openrct2/interface/Window.cpp
@@ -1670,8 +1670,8 @@ void WindowStartTextbox(
     // text.
     if (existing_text != STR_NONE)
     {
-        char tempBuf[TEXT_INPUT_SIZE]{};
-        size_t len = FormatStringLegacy(tempBuf, TEXT_INPUT_SIZE, existing_text, &existing_args);
+        char tempBuf[kTextInputSize]{};
+        size_t len = FormatStringLegacy(tempBuf, kTextInputSize, existing_text, &existing_args);
         gTextBoxInput.assign(tempBuf, len);
     }
 
diff --git a/src/openrct2/interface/Window.h b/src/openrct2/interface/Window.h
index bf25d05117..82c2fd6c3d 100644
--- a/src/openrct2/interface/Window.h
+++ b/src/openrct2/interface/Window.h
@@ -49,7 +49,7 @@ constexpr uint8_t kButtonFaceHeight = 12;
 constexpr uint8_t kSpinnerHeight = 12;
 constexpr uint8_t kDropdownHeight = 12;
 
-#define TEXT_INPUT_SIZE 1024
+constexpr int16_t kTextInputSize = 1024;
 #define TOP_TOOLBAR_HEIGHT 27
 
 extern u8string gTextBoxInput;