diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/pcode/ASM3Parser.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/pcode/ASM3Parser.java
index 0084b9c3f..11049f10e 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/pcode/ASM3Parser.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/pcode/ASM3Parser.java
@@ -735,7 +735,7 @@ public class ASM3Parser {
                 }
                 boolean insFound = false;
                 for (InstructionDefinition def : AVM2Code.instructionSet) {
-                    if (def.instructionName.equals((String) symb.value)) {
+                    if (def != null && def.instructionName.equals((String) symb.value)) {
                         insFound = true;
                         List<Integer> operandsList = new ArrayList<>();