diff --git a/src/main_gui.cpp b/src/main_gui.cpp
index 541d951285..e31dbf1ea2 100644
--- a/src/main_gui.cpp
+++ b/src/main_gui.cpp
@@ -434,7 +434,7 @@ struct MainWindow : Window
 
 	void OnMouseWheel(int wheel) override
 	{
-		if (_settings_client.gui.scrollwheel_scrolling != 2) {
+		if (_settings_client.gui.scrollwheel_scrolling != SWS_OFF) {
 			ZoomInOrOutToCursorWindow(wheel < 0, this);
 		}
 	}
diff --git a/src/settings_type.h b/src/settings_type.h
index 639d1d8060..9b1a7b6000 100644
--- a/src/settings_type.h
+++ b/src/settings_type.h
@@ -126,6 +126,13 @@ enum ViewportScrollMode {
 	VSM_END,                ///< Number of scroll mode settings.
 };
 
+/** Settings related to scroll wheel behavior. */
+enum ScrollWheelScrollingSetting {
+	SWS_ZOOM_MAP = 0,       ///< Scroll wheel zooms the map.
+	SWS_SCROLL_MAP = 1,     ///< Scroll wheel scrolls the map.
+	SWS_OFF = 2             ///< Scroll wheel has no effect.
+};
+
 /** Settings related to the GUI and other stuff that is not saved in the savegame. */
 struct GUISettings {
 	bool   sg_full_load_any;                 ///< new full load calculation, any cargo must be full read from pre v93 savegames
diff --git a/src/smallmap_gui.cpp b/src/smallmap_gui.cpp
index f818bc7b72..cdd6b071ae 100644
--- a/src/smallmap_gui.cpp
+++ b/src/smallmap_gui.cpp
@@ -1790,7 +1790,7 @@ public:
 
 	void OnMouseWheel(int wheel) override
 	{
-		if (_settings_client.gui.scrollwheel_scrolling != 2) {
+		if (_settings_client.gui.scrollwheel_scrolling != SWS_OFF) {
 			const NWidgetBase *wid = this->GetWidget<NWidgetBase>(WID_SM_MAP);
 			int cursor_x = _cursor.pos.x - this->left - wid->pos_x;
 			int cursor_y = _cursor.pos.y - this->top  - wid->pos_y;
diff --git a/src/table/settings/gui_settings.ini b/src/table/settings/gui_settings.ini
index ae01f9feb5..34b7c5eb1a 100644
--- a/src/table/settings/gui_settings.ini
+++ b/src/table/settings/gui_settings.ini
@@ -387,9 +387,9 @@ cat      = SC_BASIC
 var      = gui.scrollwheel_scrolling
 type     = SLE_UINT8
 flags    = SF_NOT_IN_SAVE | SF_NO_NETWORK_SYNC | SF_GUI_DROPDOWN
-def      = 0
-min      = 0
-max      = 2
+def      = SWS_ZOOM_MAP
+min      = SWS_ZOOM_MAP
+max      = SWS_OFF
 str      = STR_CONFIG_SETTING_SCROLLWHEEL_SCROLLING
 strhelp  = STR_CONFIG_SETTING_SCROLLWHEEL_SCROLLING_HELPTEXT
 strval   = STR_CONFIG_SETTING_SCROLLWHEEL_ZOOM
diff --git a/src/viewport_gui.cpp b/src/viewport_gui.cpp
index 4f8e550c83..dd3d6fb59f 100644
--- a/src/viewport_gui.cpp
+++ b/src/viewport_gui.cpp
@@ -124,7 +124,7 @@ public:
 
 	void OnMouseWheel(int wheel) override
 	{
-		if (_settings_client.gui.scrollwheel_scrolling != 2) {
+		if (_settings_client.gui.scrollwheel_scrolling != SWS_OFF) {
 			ZoomInOrOutToCursorWindow(wheel < 0, this);
 		}
 	}
diff --git a/src/window.cpp b/src/window.cpp
index 14edb146ef..75d02ee713 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -2352,7 +2352,7 @@ static EventState HandleActiveWidget()
  */
 static EventState HandleViewportScroll()
 {
-	bool scrollwheel_scrolling = _settings_client.gui.scrollwheel_scrolling == 1 && (_cursor.v_wheel != 0 || _cursor.h_wheel != 0);
+	bool scrollwheel_scrolling = _settings_client.gui.scrollwheel_scrolling == SWS_SCROLL_MAP && (_cursor.v_wheel != 0 || _cursor.h_wheel != 0);
 
 	if (!_scrolling_viewport) return ES_NOT_HANDLED;
 
@@ -2776,7 +2776,7 @@ static void MouseLoop(MouseClick click, int mousewheel)
 
 	HandleMouseOver();
 
-	bool scrollwheel_scrolling = _settings_client.gui.scrollwheel_scrolling == 1 && (_cursor.v_wheel != 0 || _cursor.h_wheel != 0);
+	bool scrollwheel_scrolling = _settings_client.gui.scrollwheel_scrolling == SWS_SCROLL_MAP && (_cursor.v_wheel != 0 || _cursor.h_wheel != 0);
 	if (click == MC_NONE && mousewheel == 0 && !scrollwheel_scrolling) return;
 
 	int x = _cursor.pos.x;