diff --git a/LABEXAM/masm-record-pgms/SUBSTRING.ASM b/LABEXAM/masm-record-pgms/SUBSTRING.ASM
index dd85594..3918fc8 100644
--- a/LABEXAM/masm-record-pgms/SUBSTRING.ASM
+++ b/LABEXAM/masm-record-pgms/SUBSTRING.ASM
@@ -80,11 +80,7 @@ MOV BX,LEN2
     JZ LAST
 
  L2:DEC BX
-    PUSH SI
-    PUSH CX
-    MOV AX,LEN2
-    CMP BX,AX
-    JNZ L4
+	JMP L4
  L4:
     INC SI
     INC DI