diff --git a/packages/app-builder-lib/src/targets/nsis/NsisTarget.ts b/packages/app-builder-lib/src/targets/nsis/NsisTarget.ts
index e2fce06e137..d6d13023247 100644
--- a/packages/app-builder-lib/src/targets/nsis/NsisTarget.ts
+++ b/packages/app-builder-lib/src/targets/nsis/NsisTarget.ts
@@ -543,6 +543,7 @@ export class NsisTarget extends Target {
 
   private async executeMakensis(defines: any, commands: any, script: string) {
     const args: Array<string> = this.options.warningsAsErrors === false ? [] : ["-WX"]
+    args.push("-INPUTCHARSET", "UTF8", "-OUTPUTCHARSET", "UTF8")
     for (const name of Object.keys(defines)) {
       const value = defines[name]
       if (value == null) {