diff --git a/ghidra_scripts/FnidUtils.java b/ghidra_scripts/FnidUtils.java
index 991a3f4..f64b095 100644
--- a/ghidra_scripts/FnidUtils.java
+++ b/ghidra_scripts/FnidUtils.java
@@ -2,6 +2,7 @@
 import org.apache.commons.io.FileUtils;
 
 import java.io.File;
+import java.nio.charset.Charset;
 import java.util.HashMap;
 import java.util.List;
 
@@ -37,7 +38,7 @@ private static void loadFnids(GhidraScript script) throws Exception {
             file = script.askFile("Locate nids.txt", "Load");
         }
 
-        List<String> list = FileUtils.readLines(file,"ascii");
+        List<String> list = FileUtils.readLines(file,Charset.defaultCharset());
         for (String s : list) {
             final String[] split = s.split(" ");
             fnids.put(split[0], split[1]);