1 files changed, 1 insertions, 1 deletions
diff --git a/src/vdbeblob.c b/src/vdbeblob.c
index 2cdc3edb0..30a329189 100644
--- a/src/vdbeblob.c
+++ b/src/vdbeblob.c
@@ -248,7 +248,7 @@ int sqlite3_blob_open(
         int j;
         for(j=0; j<pIdx->nKeyCol; j++){
           /* FIXME: Be smarter about indexes that use expressions */
-          if( pIdx->aiColumn[j]==iCol || pIdx->aiColumn[j]==(-2) ){
+          if( pIdx->aiColumn[j]==iCol || pIdx->aiColumn[j]==XN_EXPR ){
             zFault = "indexed";
           }
         }