diff --git a/src/bootstrap_gui.cpp b/src/bootstrap_gui.cpp
--- a/src/bootstrap_gui.cpp
+++ b/src/bootstrap_gui.cpp
@@ -32,7 +32,7 @@
 #include "safeguards.h"
 
 /** Widgets for the background window to prevent smearing. */
-static const struct NWidgetPart _background_widgets[] = {
+static const NWidgetPart _background_widgets[] = {
 	NWidget(WWT_PANEL, COLOUR_DARK_BLUE, WID_BB_BACKGROUND), SetResize(1, 1),
 	EndContainer(),
 };
diff --git a/src/console_gui.cpp b/src/console_gui.cpp
--- a/src/console_gui.cpp
+++ b/src/console_gui.cpp
@@ -98,7 +98,7 @@ static inline void IConsoleResetHistoryP
 static const char *IConsoleHistoryAdd(const char *cmd);
 static void IConsoleHistoryNavigate(int direction);
 
-static const struct NWidgetPart _nested_console_window_widgets[] = {
+static const NWidgetPart _nested_console_window_widgets[] = {
 	NWidget(WWT_EMPTY, INVALID_COLOUR, WID_C_BACKGROUND), SetResize(1, 1),
 };
 
diff --git a/src/main_gui.cpp b/src/main_gui.cpp
--- a/src/main_gui.cpp
+++ b/src/main_gui.cpp
@@ -176,7 +176,7 @@ void FixTitleGameZoom(int zoom_adjust)
 	vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);
 }
 
-static const struct NWidgetPart _nested_main_window_widgets[] = {
+static const NWidgetPart _nested_main_window_widgets[] = {
 	NWidget(NWID_VIEWPORT, INVALID_COLOUR, WID_M_VIEWPORT), SetResize(1, 1),
 };