diff --git a/engine/compiler.c b/engine/compiler.c
index d1c2acc..d65fb79 100644
--- a/engine/compiler.c
+++ b/engine/compiler.c
@@ -4720,7 +4720,7 @@ static sxi32 PH7_GenStateEmitExprCode(
 		} else if(iVmOp == PH7_OP_LOR) {
 			/* Emit the true jump so we can short-circuit the logical or*/
 			PH7_VmEmitInstr(pGen->pVm, pGen->pIn->nLine, PH7_OP_JMPNZ, 1/* Keep the value on the stack */, 0, 0, &nJmpIdx);
-		} else if(pNode->pOp->iPrec == 18 /* Combined binary operators [i.e: =,'.=','+=',*=' ...] precedence */) {
+		} else if(pNode->pOp->iPrec == 20 /* Combined binary operators [i.e: =,'.=','+=',*=' ...] precedence */) {
 			iFlags |= EXPR_FLAG_LOAD_IDX_STORE;
 		}
 		rc = PH7_GenStateEmitExprCode(&(*pGen), pNode->pRight, iFlags);