diff --git a/libfreerdp/codec/nsc.c b/libfreerdp/codec/nsc.c
index b674548d5..d0547cd33 100644
--- a/libfreerdp/codec/nsc.c
+++ b/libfreerdp/codec/nsc.c
@@ -383,6 +383,7 @@ BOOL nsc_process_message(NSC_CONTEXT* context, UINT16 bpp,
 			break;
 
 		default:
+			Stream_Free(s, TRUE);
 			return FALSE;
 	}