1 files changed, 3 insertions, 3 deletions
diff --git a/src/select.c b/src/select.c
index 8ee59cf68..532fbd19e 100644
--- a/src/select.c
+++ b/src/select.c
@@ -2381,12 +2381,12 @@ void sqlite3SubqueryColumnTypes(
       }
     }
     if( zType ){
-      i64 m = sqlite3Strlen30(zType);
+      const i64 k = sqlite3Strlen30(zType);
       n = sqlite3Strlen30(pCol->zCnName);
-      pCol->zCnName = sqlite3DbReallocOrFree(db, pCol->zCnName, n+m+2);
+      pCol->zCnName = sqlite3DbReallocOrFree(db, pCol->zCnName, n+k+2);
       pCol->colFlags &= ~(COLFLAG_HASTYPE|COLFLAG_HASCOLL);
       if( pCol->zCnName ){
-        memcpy(&pCol->zCnName[n+1], zType, m+1);
+        memcpy(&pCol->zCnName[n+1], zType, k+1);
         pCol->colFlags |= COLFLAG_HASTYPE;
       }
     }