diff --git a/src/components/BootstrapBlazor.CherryMarkdown/BootstrapBlazor.CherryMarkdown.csproj b/src/components/BootstrapBlazor.CherryMarkdown/BootstrapBlazor.CherryMarkdown.csproj
index 07e97455..75f7ede4 100644
--- a/src/components/BootstrapBlazor.CherryMarkdown/BootstrapBlazor.CherryMarkdown.csproj
+++ b/src/components/BootstrapBlazor.CherryMarkdown/BootstrapBlazor.CherryMarkdown.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>9.0.2</Version>
+    <Version>9.0.3</Version>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/src/components/BootstrapBlazor.CherryMarkdown/Components/CherryMarkdown/CherryMarkdown.razor.js b/src/components/BootstrapBlazor.CherryMarkdown/Components/CherryMarkdown/CherryMarkdown.razor.js
index 5d0dda8e..f81786cf 100644
--- a/src/components/BootstrapBlazor.CherryMarkdown/Components/CherryMarkdown/CherryMarkdown.razor.js
+++ b/src/components/BootstrapBlazor.CherryMarkdown/Components/CherryMarkdown/CherryMarkdown.razor.js
@@ -58,6 +58,11 @@ export async function init(id, invoke, options, callback) {
         },
         fileUpload: fileUpload
     };
+
+    if (op.locale) {
+        op.locale = op.locale.replace('-', '_');
+    }
+
     const editor = new Cherry(op);
     const md = { invoke, editor };
     Data.set(id, md);