Index: src/expr.c
==================================================================
--- src/expr.c
+++ src/expr.c
@@ -2715,12 +2715,16 @@
         dest.eDest = SRT_Exists;
         sqlite3VdbeAddOp2(v, OP_Integer, 0, dest.iSDParm);
         VdbeComment((v, "Init EXISTS result"));
       }
       sqlite3ExprDelete(pParse->db, pSel->pLimit);
-      pSel->pLimit = sqlite3ExprAlloc(pParse->db, TK_INTEGER,
-                                  &sqlite3IntTokens[1], 0);
+      if( (pSel->selFlags & SF_Aggregate)!=0 && pSel->pGroupBy==0 ){
+        pSel->pLimit = 0;
+      }else{
+        pSel->pLimit = sqlite3ExprAlloc(pParse->db, TK_INTEGER,
+                                    &sqlite3IntTokens[1], 0);
+      }
       pSel->iLimit = 0;
       pSel->selFlags &= ~SF_MultiValue;
       if( sqlite3Select(pParse, pSel, &dest) ){
         return 0;
       }