diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/script/PcodeGraphVizExporter.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/script/PcodeGraphVizExporter.java
index 596006754..5176b4071 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/script/PcodeGraphVizExporter.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/script/PcodeGraphVizExporter.java
@@ -240,6 +240,8 @@ public class PcodeGraphVizExporter {
                 rawLen += tlen;
                 String s = code.substring(t.start, t.start + tlen);
                 s = s.replace("&", "&");
+                s = s.replace("[", "[");
+                s = s.replace("]", "]"); //ends graphviz parameters block!
                 s = s.replace("<", "&lt;");
                 s = s.replace(">", "&gt;");
                 //s = s.replace("\"", "&quot;");