diff --git a/libfreerdp/gdi/pen.c b/libfreerdp/gdi/pen.c
index 4d0a3a373..cbd091edc 100644
--- a/libfreerdp/gdi/pen.c
+++ b/libfreerdp/gdi/pen.c
@@ -52,7 +52,8 @@ HGDI_PEN gdi_CreatePen(UINT32 fnPenStyle, UINT32 nWidth, UINT32 crColor, UINT32
 	hPen->objectType = GDIOBJECT_PEN;
 	hPen->style = fnPenStyle;
 	hPen->color = crColor;
-	hPen->width = nWidth;
+	WINPR_ASSERT(nWidth <= INT32_MAX);
+	hPen->width = (int)nWidth;
 	hPen->format = format;
 	hPen->palette = palette;
 	return hPen;