diff --git a/src/backend/storeManagers/gog/library.ts b/src/backend/storeManagers/gog/library.ts
index 935495686b..389f7080ae 100644
--- a/src/backend/storeManagers/gog/library.ts
+++ b/src/backend/storeManagers/gog/library.ts
@@ -377,6 +377,14 @@ export async function getInstallInfo(
   installPlatform = 'windows',
   lang = 'en-US'
 ): Promise<GogInstallInfo | undefined> {
+  installPlatform = installPlatform.toLowerCase()
+  if (installPlatform === 'linux') {
+    installPlatform = 'windows'
+  }
+  if (installPlatform === 'mac') {
+    installPlatform = 'osx'
+  }
+
   if (installInfoStore.has(`${appName}_${installPlatform}`)) {
     const cache = installInfoStore.get(`${appName}_${installPlatform}`)
     if (cache) {