diff --git a/cli/lib/tasks/install.js b/cli/lib/tasks/install.js
index ecbd804c5b58..0318619c92b7 100644
--- a/cli/lib/tasks/install.js
+++ b/cli/lib/tasks/install.js
@@ -85,7 +85,7 @@ const getVersionSpecifier = (startDir = path.resolve(__dirname, '../..')) => {
   })
 }
 
-const betaNpmUrlRe = /^\/beta\/npm\/(?<version>[0-9.]+)\/(?<artifactSlug>[^/]+)\/cypress\.tgz$/
+const betaNpmUrlRe = /^\/beta\/npm\/(?<version>[0-9.]+)\/(?<artifactSlug>.+?)\/cypress\.tgz$/
 
 // convert a prerelease NPM package .tgz URL to the corresponding binary .zip URL
 const getBinaryUrlFromPrereleaseNpmUrl = (npmUrl) => {
diff --git a/cli/test/lib/tasks/install_spec.js b/cli/test/lib/tasks/install_spec.js
index 52dbb5d4ba94..f8a7d9f66e4f 100644
--- a/cli/test/lib/tasks/install_spec.js
+++ b/cli/test/lib/tasks/install_spec.js
@@ -472,6 +472,9 @@ describe('/lib/tasks/install', function () {
 
       expect(install._getBinaryUrlFromPrereleaseNpmUrl('https://cdn.cypress.io/beta/npm/5.1.1/circle-develop-3fdfc3b453eb38ad3c0b079531e4dde6668e3dd0-436710/cypress.tgz'))
       .to.eq('https://cdn.cypress.io/beta/binary/5.1.1/linux-x64/circle-develop-3fdfc3b453eb38ad3c0b079531e4dde6668e3dd0-436710/cypress.zip')
+
+      expect(install._getBinaryUrlFromPrereleaseNpmUrl('https://cdn.cypress.io/beta/npm/5.1.1/circle-develop/some/branch-3fdfc3b453eb38ad3c0b079531e4dde6668e3dd0-436710/cypress.tgz'))
+      .to.eq('https://cdn.cypress.io/beta/binary/5.1.1/linux-x64/circle-develop/some/branch-3fdfc3b453eb38ad3c0b079531e4dde6668e3dd0-436710/cypress.zip')
     })
 
     it('returns nothing for an invalid url', function () {