diff --git a/plugins/SConscript b/plugins/SConscript
index 3d461a81883..f69081c8d3a 100644
--- a/plugins/SConscript
+++ b/plugins/SConscript
@@ -7,19 +7,19 @@ plugins = []
 
 soundsourcem4a = SConscript(
     File('soundsourcem4a/SConscript'),
-    variant_dir=Dir(build.build_dir + "/m4a"),
+    variant_dir=Dir(build.build_dir),
     duplicate=0, exports=['build'])
 plugins.extend(soundsourcem4a)
 
 soundsourcewv = SConscript(
     File('soundsourcewv/SConscript'),
-    variant_dir=Dir(build.build_dir + "/wv"),
+    variant_dir=Dir(build.build_dir),
     duplicate=0, exports=['build'])
 plugins.extend(soundsourcewv)
 
 soundsourcemediafoundation = SConscript(
     File('soundsourcemediafoundation/SConscript'),
-    variant_dir=Dir(build.build_dir + "/mediafoundation"),
+    variant_dir=Dir(build.build_dir),
     duplicate=0, exports=['build'])
 plugins.extend(soundsourcemediafoundation)
 
diff --git a/src/soundsourceproxy.cpp b/src/soundsourceproxy.cpp
index e7673e3ac84..e3348da491a 100644
--- a/src/soundsourceproxy.cpp
+++ b/src/soundsourceproxy.cpp
@@ -98,6 +98,10 @@ void SoundSourceProxy::loadPlugins() {
         pluginDirs << QDir(pluginPath);
     }
 
+    const QString dataLocation = QDesktopServices::storageLocation(
+            QDesktopServices::DataLocation);
+    const QString applicationPath = QCoreApplication::applicationDirPath();
+
 #ifdef __LINUX__
     // TODO(rryan): Why can't we use applicationDirPath() and assume it's in the
     // 'bin' folder of $PREFIX, so we just traverse
@@ -107,12 +111,22 @@ void SoundSourceProxy::loadPlugins() {
         pluginDirs << libPluginDir;
     }
 
-    QDir dataPluginDir(QDesktopServices::storageLocation(QDesktopServices::DataLocation));
+    QDir dataPluginDir(dataLocation);
     if (dataPluginDir.cd("plugins") && dataPluginDir.cd("soundsource")) {
         pluginDirs << dataPluginDir;
     }
+
+    // For people who build from source.
+    QDir developer32Root(applicationPath);
+    if (developer32Root.cd("lin32_build") && developer32Root.cd("plugins")) {
+        pathElements << developer32Root.absolutePath();
+    }
+    QDir developer64Root(applicationPath);
+    if (developer64Root.cd("lin64_build") && developer64Root.cd("plugins")) {
+        pathElements << developer64Root.absolutePath();
+    }
 #elif __WINDOWS__
-    QDir appPluginDir(QCoreApplication::applicationDirPath());
+    QDir appPluginDir(applicationPath);
     if (appPluginDir.cd("plugins") && appPluginDir.cd("soundsource")) {
         pluginDirs << appPluginDir;
     }
@@ -121,12 +135,22 @@ void SoundSourceProxy::loadPlugins() {
     // TODO(XXX): Our SCons bundle target doesn't handle plugin subdirectories
     // :( so we can't do:
     //blah/Mixxx.app/Contents/PlugIns/soundsource
-    QDir bundlePluginDir(QCoreApplication::applicationDirPath());
+    QDir bundlePluginDir(applicationPath);
     if (bundlePluginDir.cdUp() && bundlePluginDir.cd("PlugIns")) {
         pluginDirs << bundlePluginDir;
     }
 
-    QDir dataPluginDir(QDesktopServices::storageLocation(QDesktopServices::DataLocation));
+    // For people who build from source.
+    QDir developer32Root(applicationPath);
+    if (developer32Root.cd("osx32_build") && developer32Root.cd("plugins")) {
+        pluginDirs << developer32Root.absolutePath();
+    }
+    QDir developer64Root(applicationPath);
+    if (developer64Root.cd("osx64_build") && developer64Root.cd("plugins")) {
+        pluginDirs << developer64Root.absolutePath();
+    }
+
+    QDir dataPluginDir(dataLocation);
     if (dataPluginDir.cd("Plugins") && dataPluginDir.cd("soundsource")) {
         pluginDirs << dataPluginDir;
     }
diff --git a/src/vamp/vampanalyser.cpp b/src/vamp/vampanalyser.cpp
index ce8580718c7..259200a57a6 100644
--- a/src/vamp/vampanalyser.cpp
+++ b/src/vamp/vampanalyser.cpp
@@ -37,20 +37,14 @@ void VampAnalyser::initializePluginPaths() {
     QStringList pathElements = vampPath.length() > 0 ? vampPath.split(PATH_SEPARATOR)
             : QStringList();
 
-    const QString homeLocation = QDesktopServices::storageLocation(
-            QDesktopServices::HomeLocation);
     const QString dataLocation = QDesktopServices::storageLocation(
             QDesktopServices::DataLocation);
     const QString applicationPath = QCoreApplication::applicationDirPath();
 
 #ifdef __WINDOWS__
     QDir winVampPath(applicationPath);
-    if (winVampPath.cd("plugins")) {
-        if (winVampPath.cd("vamp")) {
-            pathElements << winVampPath.absolutePath().replace("/","\\");
-        } else {
-            qDebug() << winVampPath.absolutePath() << "does not exist!";
-        }
+    if (winVampPath.cd("plugins") && winVampPath.cd("vamp")) {
+        pathElements << winVampPath.absolutePath().replace("/","\\");
     } else {
         qDebug() << winVampPath.absolutePath() << "does not exist!";
     }