1 files changed, 3 insertions, 3 deletions
diff --git a/src/wherecode.c b/src/wherecode.c
index f9b56e7c8..a6c45f032 100644
--- a/src/wherecode.c
+++ b/src/wherecode.c
@@ -46,8 +46,8 @@ static void explainAppendTerm(
 */
 static const char *explainIndexColumnName(Index *pIdx, int i){
   i = pIdx->aiColumn[i];
-  if( i==(-2) ) return "<expr>";
-  if( i==(-1) ) return "rowid";
+  if( i==XN_EXPR ) return "<expr>";
+  if( i==XN_ROWID ) return "rowid";
   return pIdx->pTable->aCol[i].zName;
 }
 
@@ -514,7 +514,7 @@ static int codeAllEqualityTerms(
     sqlite3VdbeJumpHere(v, j);
     for(j=0; j<nSkip; j++){
       sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, j, regBase+j);
-      testcase( pIdx->aiColumn[j]==(-2) );
+      testcase( pIdx->aiColumn[j]==XN_EXPR );
       VdbeComment((v, "%s", explainIndexColumnName(pIdx, j)));
     }
   }