diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/deobfuscation/AVM2DeobfuscatorSimpleOld.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/deobfuscation/AVM2DeobfuscatorSimpleOld.java
index f23acea4b..0160f858a 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/deobfuscation/AVM2DeobfuscatorSimpleOld.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/deobfuscation/AVM2DeobfuscatorSimpleOld.java
@@ -405,6 +405,7 @@ public class AVM2DeobfuscatorSimpleOld extends AVM2DeobfuscatorZeroJumpsNullPush
             boolean ifed = false;
             if (def instanceof PopIns) {
                 code.replaceInstruction(idx, new AVM2Instruction(ins.getAddress(), DeobfuscatePopIns.getInstance(), null), body);
+                idx++;
             } else if (def instanceof JumpIns) {
                 long address = ins.getTargetAddress();
                 idx = code.adr2pos(address);