diff --git a/libfreerdp/codec/nsc.c b/libfreerdp/codec/nsc.c
index 049b541f1..c2481b7c0 100644
--- a/libfreerdp/codec/nsc.c
+++ b/libfreerdp/codec/nsc.c
@@ -262,7 +262,7 @@ static BOOL nsc_context_initialize(NSC_CONTEXT* context, wStream* s)
 	if (!nsc_stream_initialize(context, s))
 		return FALSE;
 
-	const size_t blength = context->width * context->height * 4ull;
+	const size_t blength = 4ull * context->width * context->height;
 
 	if (!context->BitmapData || (blength > context->BitmapDataLength))
 	{