diff --git a/src/Composer/Package/Version/VersionGuesser.php b/src/Composer/Package/Version/VersionGuesser.php
index 918e9706a..a34a18475 100644
--- a/src/Composer/Package/Version/VersionGuesser.php
+++ b/src/Composer/Package/Version/VersionGuesser.php
@@ -231,7 +231,7 @@ class VersionGuesser
 
         // ignore feature branches if they have no branch-alias or self.version is used
         // and find the branch they came from to use as a version instead
-        if ((isset($packageConfig['extra']['branch-alias']) && !isset($packageConfig['extra']['branch-alias'][$version]))
+        if (!isset($packageConfig['extra']['branch-alias'][$version])
             || strpos(json_encode($packageConfig), '"self.version"')
         ) {
             $branch = preg_replace('{^dev-}', '', $version);