diff --git a/projects/utils/src/lib/string-utils.ts b/projects/utils/src/lib/string-utils.ts
index 68328f4cdd..ce21d5ed92 100644
--- a/projects/utils/src/lib/string-utils.ts
+++ b/projects/utils/src/lib/string-utils.ts
@@ -9,6 +9,8 @@ export class StringUtils {
     if (!s2) {
       return '<span class="inserted">' + s1 + '</span>';
     }
+    s1 = s1.toString();
+    s2 = s2.toString();
     const changeData = StringUtils.getChanges(s1, s2, '', p);
     const nextS = s2.slice(
       changeData.mtc.length + changeData.ins.length + changeData.sbs.length
diff --git a/sendLibToIgo.bash b/sendLibToIgo.bash
new file mode 100644
index 0000000000..538945aa5c
--- /dev/null
+++ b/sendLibToIgo.bash
@@ -0,0 +1,2 @@
+rm -rf ../igo/node_modules/@igo2/*
+cp -r ./dist/* ../igo/node_modules/@igo2/.