diff --git a/Makefile b/Makefile
index df755c72..bdfb24e3 100644
--- a/Makefile
+++ b/Makefile
@@ -98,7 +98,7 @@ ifeq ($(ARCH), mac)
 	cp dep/lib/libcurl.4.dylib $(BUNDLE)/Contents/MacOS/
 	cp dep/lib/libzip.5.dylib $(BUNDLE)/Contents/MacOS/
 	cp dep/lib/libportaudio.2.dylib $(BUNDLE)/Contents/MacOS/
-	cp dep/lib/librtmidi.dylib $(BUNDLE)/Contents/MacOS/
+	cp dep/lib/librtmidi.4.dylib $(BUNDLE)/Contents/MacOS/
 
 	install_name_tool -change /usr/local/lib/libGLEW.2.1.0.dylib @executable_path/libGLEW.2.1.0.dylib $(BUNDLE)/Contents/MacOS/Rack
 	install_name_tool -change lib/libglfw.3.dylib @executable_path/libglfw.3.dylib $(BUNDLE)/Contents/MacOS/Rack
@@ -107,7 +107,7 @@ ifeq ($(ARCH), mac)
 	install_name_tool -change $(PWD)/dep/lib/libcurl.4.dylib @executable_path/libcurl.4.dylib $(BUNDLE)/Contents/MacOS/Rack
 	install_name_tool -change $(PWD)/dep/lib/libzip.5.dylib @executable_path/libzip.5.dylib $(BUNDLE)/Contents/MacOS/Rack
 	install_name_tool -change $(PWD)/dep/lib/libportaudio.2.dylib @executable_path/libportaudio.2.dylib $(BUNDLE)/Contents/MacOS/Rack
-	install_name_tool -change @rpath/librtmidi.dylib @executable_path/librtmidi.dylib $(BUNDLE)/Contents/MacOS/Rack
+	install_name_tool -change $(PWD)/dep/lib/librtmidi.4.dylib @executable_path/librtmidi.4.dylib $(BUNDLE)/Contents/MacOS/Rack
 
 	otool -L $(BUNDLE)/Contents/MacOS/Rack
 
diff --git a/src/plugin.cpp b/src/plugin.cpp
index abad1575..3de1457b 100644
--- a/src/plugin.cpp
+++ b/src/plugin.cpp
@@ -213,16 +213,17 @@ static void refreshPurchase(json_t *pluginJ) {
 
 	// Download zip
 	std::string pluginsDir = assetLocal("plugins");
-	std::string filename = pluginsDir + "/" + slug + ".zip";
-	bool success = requestDownload(url, filename, &downloadProgress);
+	std::string pluginPath = pluginsDir + "/" + slug;
+	std::string zipPath = pluginPath + ".zip";
+	bool success = requestDownload(url, zipPath, &downloadProgress);
 	if (success) {
 		// Unzip file
-		int err = extractZip(filename.c_str(), pluginsDir.c_str());
+		int err = extractZip(zipPath.c_str(), pluginsDir.c_str());
 		if (!err) {
-			// Load plugin
-			loadPlugin(slug);
 			// Delete zip
-			remove(filename.c_str());
+			remove(zipPath.c_str());
+			// Load plugin
+			loadPlugin(pluginPath);
 		}
 	}