diff --git a/source/dub/dub.d b/source/dub/dub.d
index fa07398..a9af064 100644
--- a/source/dub/dub.d
+++ b/source/dub/dub.d
@@ -57,6 +57,7 @@
 		Json m_systemConfig, m_userConfig;
 		Path m_projectPath;
 		Project m_project;
+		Path m_overrideSearchPath;
 	}
 
 	/// Initiales the package manager for the vibe application
@@ -144,6 +145,13 @@
 		m_project = new Project(m_packageManager, pack);
 	}
 
+	void overrideSearchPath(Path path)
+	{
+		if (!path.absolute) path = Path(getcwd()) ~ path;
+		m_overrideSearchPath = path;
+		updatePackageSearchPath();
+	}
+
 	string getDefaultConfiguration(BuildPlatform platform, bool allow_non_library_configs = true) const { return m_project.getDefaultConfiguration(platform, allow_non_library_configs); }
 
 	/// Performs retrieval and removal as necessary for
@@ -535,13 +543,19 @@
 
 	private void updatePackageSearchPath()
 	{
-		auto p = environment.get("DUBPATH");
-		Path[] paths;
+		if (m_overrideSearchPath.length) {
+			m_packageManager.disableDefaultSearchPaths = true;
+			m_packageManager.searchPath = [m_overrideSearchPath];
+		} else {
+			auto p = environment.get("DUBPATH");
+			Path[] paths;
 
-		version(Windows) enum pathsep = ";";
-		else enum pathsep = ":";
-		if (p.length) paths ~= p.split(pathsep).map!(p => Path(p))().array();
-		m_packageManager.searchPath = paths;
+			version(Windows) enum pathsep = ";";
+			else enum pathsep = ":";
+			if (p.length) paths ~= p.split(pathsep).map!(p => Path(p))().array();
+			m_packageManager.disableDefaultSearchPaths = false;
+			m_packageManager.searchPath = paths;
+		}
 	}
 
 	private Path makeAbsolute(Path p) const { return p.absolute ? p : m_rootPath ~ p; }
diff --git a/source/dub/packagemanager.d b/source/dub/packagemanager.d
index bc941e9..f9adf14 100644
--- a/source/dub/packagemanager.d
+++ b/source/dub/packagemanager.d
@@ -56,6 +56,7 @@
 		Path[] m_searchPath;
 		Package[] m_packages;
 		Package[] m_temporaryPackages;
+		bool m_disableDefaultSearchPaths = false;
 	}
 
 	this(Path user_path, Path system_path)
@@ -68,14 +69,18 @@
 	@property void searchPath(Path[] paths) { m_searchPath = paths.dup; refresh(false); }
 	@property const(Path)[] searchPath() const { return m_searchPath; }
 
+	@property void disableDefaultSearchPaths(bool val) { m_disableDefaultSearchPaths = val; refresh(true); }
+
 	@property const(Path)[] completeSearchPath()
 	const {
 		auto ret = appender!(Path[])();
 		ret.put(m_searchPath);
-		ret.put(m_repositories[LocalPackageType.user].searchPath);
-		ret.put(m_repositories[LocalPackageType.user].packagePath);
-		ret.put(m_repositories[LocalPackageType.system].searchPath);
-		ret.put(m_repositories[LocalPackageType.system].packagePath);
+		if (!m_disableDefaultSearchPaths) {
+			ret.put(m_repositories[LocalPackageType.user].searchPath);
+			ret.put(m_repositories[LocalPackageType.user].packagePath);
+			ret.put(m_repositories[LocalPackageType.system].searchPath);
+			ret.put(m_repositories[LocalPackageType.system].packagePath);
+		}
 		return ret.data;
 	}
 
@@ -462,7 +467,7 @@
 			Path list_path = m_repositories[type].packagePath;
 			Package[] packs;
 			Path[] paths;
-			try {
+			if (!m_disableDefaultSearchPaths) try {
 				auto local_package_file = list_path ~ LocalPackagesFilename;
 				logDiagnostic("Looking for local package map at %s", local_package_file.toNativeString());
 				if( !existsFile(local_package_file) ) return;