diff --git a/libfreerdp/gdi/gdi.c b/libfreerdp/gdi/gdi.c
index 1b15c7ffe..3e4d35d99 100644
--- a/libfreerdp/gdi/gdi.c
+++ b/libfreerdp/gdi/gdi.c
@@ -1451,25 +1451,29 @@ void gdi_free(freerdp* instance)
 
 BOOL gdi_send_suppress_output(rdpGdi* gdi, BOOL suppress)
 {
-	RECTANGLE_16 rect;
-	rdpSettings* settings = NULL;
-	rdpUpdate* update = NULL;
-
-	if (!gdi || !gdi->context->settings || !gdi->context->update)
+	if (!gdi || !gdi->context)
 		return FALSE;
 
 	if (gdi->suppressOutput == suppress)
 		return TRUE;
 
 	gdi->suppressOutput = suppress;
-	settings = gdi->context->settings;
-	update = gdi->context->update;
-	rect.left = 0;
-	rect.top = 0;
+
+	rdpContext* context = gdi->context;
+	rdpSettings* settings = context->settings;
+	WINPR_ASSERT(settings);
+
+	rdpUpdate* update = context->update;
+	WINPR_ASSERT(update);
 
 	const UINT32 w = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
 	const UINT32 h = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
-	rect.right = WINPR_ASSERTING_INT_CAST(UINT16, w);
-	rect.bottom = WINPR_ASSERTING_INT_CAST(UINT16, h);
-	return update->SuppressOutput(gdi->context, !suppress, &rect);
+
+	const RECTANGLE_16 rect = { .left = 0,
+		                        .top = 0,
+		                        .right = WINPR_ASSERTING_INT_CAST(UINT16, w),
+		                        .bottom = WINPR_ASSERTING_INT_CAST(UINT16, h) };
+
+	WINPR_ASSERT(update->SuppressOutput);
+	return update->SuppressOutput(context, !suppress, &rect);
 }