diff --git a/src/Composer/Package/Version/VersionParser.php b/src/Composer/Package/Version/VersionParser.php
index 5cd05f512..1a412dffd 100644
--- a/src/Composer/Package/Version/VersionParser.php
+++ b/src/Composer/Package/Version/VersionParser.php
@@ -297,16 +297,9 @@ class VersionParser
                 $stabilitySuffix .= '-dev';
             }
 
-            // If we don't have a stability suffix, the lower bound is "> the previous version"
-            if ($stabilitySuffix == '') {
-                $lowVersion = $this->manipulateVersionString($matches, $position, -1, '9999999');
-                $lowerBound = new VersionConstraint('>', $lowVersion);
-
-            // If we have a stability suffix, then our comparison is ">= this version"
-            } else {
-                $lowVersion = $this->manipulateVersionString($matches, $position, 0);
-                $lowerBound = new VersionConstraint('>=', $lowVersion . $stabilitySuffix);
-            }
+            if(!$stabilitySuffix) $stabilitySuffix = "-dev";
+            $lowVersion = $this->manipulateVersionString($matches, $position, 0) . $stabilitySuffix;
+            $lowerBound = new VersionConstraint('>=', $lowVersion);
 
             // For upper bound, we increment the position of one more significance, 
             // but highPosition = 0 would be illegal
@@ -330,14 +323,14 @@ class VersionParser
                 $position = 1;
             }
 
+            $lowVersion = $this->manipulateVersionString($matches, $position) . "-dev";
             $highVersion = $this->manipulateVersionString($matches, $position, 0, '9999999');
-            $lowVersion = $this->manipulateVersionString($matches, $position, -1, '9999999');
 
-            if($lowVersion === null) {
+            if($lowVersion === "0.0.0.0-dev") {
                 return array(new VersionConstraint('<', $highVersion));
             } else {
                 return array(
-                    new VersionConstraint('>', $lowVersion),
+                    new VersionConstraint('>=', $lowVersion),
                     new VersionConstraint('<', $highVersion),
                 );
             }
diff --git a/tests/Composer/Test/Package/Version/VersionParserTest.php b/tests/Composer/Test/Package/Version/VersionParserTest.php
index 6d3c1a9de..5587050b8 100644
--- a/tests/Composer/Test/Package/Version/VersionParserTest.php
+++ b/tests/Composer/Test/Package/Version/VersionParserTest.php
@@ -237,12 +237,12 @@ class VersionParserTest extends \PHPUnit_Framework_TestCase
     public function wildcardConstraints()
     {
         return array(
-            array('2.*',     new VersionConstraint('>', '1.9999999.9999999.9999999'), new VersionConstraint('<', '2.9999999.9999999.9999999')),
-            array('20.*',    new VersionConstraint('>', '19.9999999.9999999.9999999'), new VersionConstraint('<', '20.9999999.9999999.9999999')),
-            array('2.0.*',   new VersionConstraint('>', '1.9999999.9999999.9999999'), new VersionConstraint('<', '2.0.9999999.9999999')),
-            array('2.2.x',   new VersionConstraint('>', '2.1.9999999.9999999'), new VersionConstraint('<', '2.2.9999999.9999999')),
-            array('2.10.x',  new VersionConstraint('>', '2.9.9999999.9999999'), new VersionConstraint('<', '2.10.9999999.9999999')),
-            array('2.1.3.*', new VersionConstraint('>', '2.1.2.9999999'), new VersionConstraint('<', '2.1.3.9999999')),
+            array('2.*',     new VersionConstraint('>=', '2.0.0.0-dev'), new VersionConstraint('<', '2.9999999.9999999.9999999')),
+            array('20.*',    new VersionConstraint('>=', '20.0.0.0-dev'), new VersionConstraint('<', '20.9999999.9999999.9999999')),
+            array('2.0.*',   new VersionConstraint('>=', '2.0.0.0-dev'), new VersionConstraint('<', '2.0.9999999.9999999')),
+            array('2.2.x',   new VersionConstraint('>=', '2.2.0.0-dev'), new VersionConstraint('<', '2.2.9999999.9999999')),
+            array('2.10.x',  new VersionConstraint('>=', '2.10.0.0-dev'), new VersionConstraint('<', '2.10.9999999.9999999')),
+            array('2.1.3.*', new VersionConstraint('>=', '2.1.3.0-dev'), new VersionConstraint('<', '2.1.3.9999999')),
             array('0.*',     null, new VersionConstraint('<', '0.9999999.9999999.9999999')),
         );
     }
@@ -265,12 +265,12 @@ class VersionParserTest extends \PHPUnit_Framework_TestCase
     public function tildeConstraints()
     {
         return array(
-            array('~1',       new VersionConstraint('>', '0.9999999.9999999.9999999'), new VersionConstraint('<', '2.0.0.0-dev')),
-            array('~1.0',     new VersionConstraint('>', '0.9999999.9999999.9999999'), new VersionConstraint('<', '2.0.0.0-dev')),
-            array('~1.0.0',     new VersionConstraint('>', '0.9999999.9999999.9999999'), new VersionConstraint('<', '1.1.0.0-dev')),
-            array('~1.2',     new VersionConstraint('>', '1.1.9999999.9999999'), new VersionConstraint('<', '2.0.0.0-dev')),
-            array('~1.2.3',   new VersionConstraint('>', '1.2.2.9999999'), new VersionConstraint('<', '1.3.0.0-dev')),
-            array('~1.2.3.4', new VersionConstraint('>', '1.2.3.3'), new VersionConstraint('<', '1.2.4.0-dev')),
+            array('~1',       new VersionConstraint('>=', '1.0.0.0-dev'), new VersionConstraint('<', '2.0.0.0-dev')),
+            array('~1.0',     new VersionConstraint('>=', '1.0.0.0-dev'), new VersionConstraint('<', '2.0.0.0-dev')),
+            array('~1.0.0',     new VersionConstraint('>=', '1.0.0.0-dev'), new VersionConstraint('<', '1.1.0.0-dev')),
+            array('~1.2',     new VersionConstraint('>=', '1.2.0.0-dev'), new VersionConstraint('<', '2.0.0.0-dev')),
+            array('~1.2.3',   new VersionConstraint('>=', '1.2.3.0-dev'), new VersionConstraint('<', '1.3.0.0-dev')),
+            array('~1.2.3.4', new VersionConstraint('>=', '1.2.3.4-dev'), new VersionConstraint('<', '1.2.4.0-dev')),
             array('~1.2-beta',new VersionConstraint('>=', '1.2.0.0-beta'), new VersionConstraint('<', '2.0.0.0-dev')),
             array('~1.2-b2',  new VersionConstraint('>=', '1.2.0.0-beta2'), new VersionConstraint('<', '2.0.0.0-dev')),
             array('~1.2-BETA2', new VersionConstraint('>=', '1.2.0.0-beta2'), new VersionConstraint('<', '2.0.0.0-dev')),