diff --git a/dist/index.js b/dist/index.js
index 82b6cd1..a8ee931 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -6752,7 +6752,7 @@ function mapArch() {
             return 'ppc64le';
         case 'riscv64':
             return 'riscv64';
-        case 's390':
+        case 's390x':
             return 's390x';
         case 'arm':
             return 'armv7';
diff --git a/src/lib/release.ts b/src/lib/release.ts
index 3569306..ff7526c 100644
--- a/src/lib/release.ts
+++ b/src/lib/release.ts
@@ -92,7 +92,7 @@ export function mapArch(): string {
             return 'ppc64le';
         case 'riscv64':
             return 'riscv64';
-        case 's390':
+        case 's390x':
             return 's390x';
         case 'arm':
             return 'armv7';
@@ -104,4 +104,4 @@ export function mapArch(): string {
 export function getBinaryExtension(): string {
     const platform = mapPlatform();
     return platform === 'windows' ? '.exe' : '';
-}
\ No newline at end of file
+}