diff --git a/src/Composer/Platform/Version.php b/src/Composer/Platform/Version.php
index 6c9cd8fa5..a04d279f4 100644
--- a/src/Composer/Platform/Version.php
+++ b/src/Composer/Platform/Version.php
@@ -32,11 +32,16 @@ class Version
             return null;
         }
 
+        // OpenSSL 1 used 1.2.3a style versioning, 3+ uses semver
+        $patch = '';
+        if (version_compare($matches['version'], '3.0.0', '<')) {
+            $patch = '.'.self::convertAlphaVersionToIntVersion($matches['patch']);
+        }
+
         $isFips = strpos($matches['suffix'], 'fips') !== false;
         $suffix = strtr('-'.ltrim($matches['suffix'], '-'), array('-fips' => '', '-pre' => '-alpha'));
-        $patch = self::convertAlphaVersionToIntVersion($matches['patch']);
 
-        return rtrim($matches['version'].'.'.$patch.$suffix, '-');
+        return rtrim($matches['version'].$patch.$suffix, '-');
     }
 
     /**
diff --git a/tests/Composer/Test/Platform/VersionTest.php b/tests/Composer/Test/Platform/VersionTest.php
index 3ebb03724..edcca0041 100644
--- a/tests/Composer/Test/Platform/VersionTest.php
+++ b/tests/Composer/Test/Platform/VersionTest.php
@@ -69,6 +69,9 @@ class VersionTest extends TestCase
             array('1.2.3za', '1.2.3.27'),
             array('1.2.3zy', '1.2.3.51'),
             array('1.2.3zz', '1.2.3.52'),
+            // 3.x
+            array('3.0.0', '3.0.0', false, '3.0.0.0'),
+            array('3.2.4-dev', '3.2.4-dev', false, '3.2.4.0-dev'),
         );
     }