diff --git a/electron/packager/config.js b/electron/packager/config.js
index 44af9f323..b7e7faba5 100644
--- a/electron/packager/config.js
+++ b/electron/packager/config.js
@@ -80,9 +80,9 @@ function getVersion() {
   }
   if (!isRelease) {
     if (isNightly) {
-      version = `${version}-nightly-${timestamp()}`;
+      version = `${version}.nightly-${timestamp()}`;
     } else {
-      version = `${version}-snapshot-${currentCommitish()}`;
+      version = `${version}.snapshot-${currentCommitish()}`;
     }
     if (!semver.valid(version)) {
       throw new Error(`Invalid patched version: '${version}'.`);