diff --git a/ssc/symbol.cs b/ssc/symbol.cs
index ac282b4..7d90299 100644
--- a/ssc/symbol.cs
+++ b/ssc/symbol.cs
@@ -244,9 +244,11 @@ namespace arookas {
 
 		public int Display {
 			get { return mDisplay; }
+			set { mDisplay = value; }
 		}
 		public int Index {
 			get { return mIndex; }
+			set { mIndex = value; }
 		}
 
 		// symbol table