diff --git a/lib/index.js b/lib/index.js
index cc1dc526..f3af6495 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -161,6 +161,7 @@ module.exports = function nuts(opts) {
         var fullUrl = getFullUrl(req);
         var platform = req.params.platform;
         var tag = req.params.version;
+        var channel = req.query.channel;
 
         Q()
         .then(function() {
@@ -170,9 +171,9 @@ module.exports = function nuts(opts) {
             platform = platforms.detect(platform);
 
             return versions.filter({
-                tag: '>='+tag,
+                tag: tag,
                 platform: platform,
-                channel: '*'
+                channel: channel
             });
         })
         .then(function(versions) {
@@ -197,15 +198,16 @@ module.exports = function nuts(opts) {
         var fullUrl = getFullUrl(req);
         var platform = 'win_32';
         var tag = req.params.version;
+        var channel = req.query.channel;
 
         Q()
         .then(function() {
             platform = platforms.detect(platform);
 
             return versions.filter({
-                tag: '>='+tag,
+                tag: tag,
                 platform: platform,
-                channel: '*'
+                channel: channel
             });
         })
         .then(function(versions) {
@@ -251,7 +253,7 @@ module.exports = function nuts(opts) {
         Q()
         .then(function() {
             return versions.filter({
-                tag: tag? '>='+tag : '*',
+                tag: tag? tag : '*',
                 channel: '*'
             });
         })
diff --git a/lib/versions.js b/lib/versions.js
index 26db082d..b32621f3 100644
--- a/lib/versions.js
+++ b/lib/versions.js
@@ -88,7 +88,7 @@ module.exports = function(github, opts) {
         opts = _.defaults(opts || {}, {
             tag: 'latest',
             platform: null,
-            channel: 'stable'
+            channel: extractChannel(opts.tag)
         });
         if (opts.platform) opts.platform = platforms.detect(opts.platform);
 
@@ -97,18 +97,24 @@ module.exports = function(github, opts) {
             return _.chain(versions)
                 .filter(function(version) {
                     // Check channel
-                    if (opts.channel != '*' && version.channel != opts.channel) return false;
+                    if (!channelsMatch(version.channel, opts.channel)) return false;
 
                     // Not available for requested paltform
                     if (opts.platform && !platforms.satisfies(opts.platform, _.pluck(version.platforms, 'type'))) return false;
 
                     // Check tag satisfies request version
-                    return opts.tag == 'latest' || semver.satisfies(version.tag, opts.tag);
+                    return opts.tag == 'latest' || (semver.rcompare(version.tag, opts.tag) < 0);
                 })
                 .value();
         });
     }
 
+    function channelsMatch(versionChannel, currentChannel) {
+        if ((currentChannel === '*') ||
+            (currentChannel === versionChannel) ||
+            (currentChannel != 'stable' && versionChannel == 'stable')) return true;
+    }
+
     // Resolve a platform
     function resolveVersion(opts) {
         return filterVersions(opts)