diff --git a/System.Compiler/PDBreader/CvInfo.cs b/System.Compiler/PDBreader/CvInfo.cs
index 27c725ba..91c9bba3 100644
--- a/System.Compiler/PDBreader/CvInfo.cs
+++ b/System.Compiler/PDBreader/CvInfo.cs
@@ -2167,7 +2167,7 @@ internal struct BlockSym32
     internal string name;       // Length-prefixed name
   };
 
-#if flase
+#if false
   internal struct WithSym32
   {
     // internal ushort reclen;    // Record length [SYMTYPE]