diff --git a/include/system.hpp b/include/system.hpp
index 2d2ba152..b83b9c43 100644
--- a/include/system.hpp
+++ b/include/system.hpp
@@ -42,6 +42,7 @@ void openFolder(const std::string &path);
 The launched process will continue running if the current process is closed.
 */
 void runProcessAsync(const std::string &path);
+std::string getOperatingSystemInfo();
 
 
 } // namespace system
diff --git a/src/engine/ParamQuantity.cpp b/src/engine/ParamQuantity.cpp
index 4247d5a2..2cf4ca74 100644
--- a/src/engine/ParamQuantity.cpp
+++ b/src/engine/ParamQuantity.cpp
@@ -35,7 +35,7 @@ void ParamQuantity::setValue(float value) {
 float ParamQuantity::getValue() {
 	if (!module)
 		return 0.f;
-	return getParam()->getValue();
+	return APP->engine->getParam(module, paramId);
 }
 
 float ParamQuantity::getMinValue() {
diff --git a/src/main.cpp b/src/main.cpp
index 5dc12ac7..8c2603da 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -100,6 +100,7 @@ int main(int argc, char *argv[]) {
 
 	// Log environment
 	INFO("%s v%s", app::APP_NAME, app::APP_VERSION);
+	INFO("%s", system::getOperatingSystemInfo().c_str());
 	if (settings::devMode)
 		INFO("Development mode");
 	INFO("System directory: %s", asset::systemDir.c_str());
diff --git a/src/plugin.cpp b/src/plugin.cpp
index 158539d2..815871d0 100644
--- a/src/plugin.cpp
+++ b/src/plugin.cpp
@@ -150,7 +150,6 @@ static bool loadPlugin(std::string path) {
 	for (Model *model : plugin->models) {
 		std::string presetDir = asset::plugin(plugin, "presets/" + model->slug);
 		for (const std::string &presetPath : system::listEntries(presetDir)) {
-			DEBUG("%s", presetPath.c_str());
 			model->presetPaths.push_back(presetPath);
 		}
 	}
diff --git a/src/system.cpp b/src/system.cpp
index 2fc64074..5d6f8ccc 100644
--- a/src/system.cpp
+++ b/src/system.cpp
@@ -10,6 +10,7 @@
 	#include <sched.h>
 	#include <execinfo.h> // for backtrace and backtrace_symbols
 	#include <unistd.h> // for execl
+	#include <sys/utsname.h>
 #endif
 
 #if defined ARCH_WIN
@@ -190,5 +191,20 @@ void runProcessAsync(const std::string &path) {
 }
 
 
+std::string getOperatingSystemInfo() {
+#if defined ARCH_LIN || defined ARCH_MAC
+	struct utsname u;
+	uname(&u);
+	return string::f("%s %s %s %s", u.sysname, u.release, u.version, u.machine);
+#elif defined ARCH_WIN
+	OSVERSIONINFOEX info;
+	ZeroMemory(&info, sizeof(info));
+	info.dwOSVersionInfoSize = sizeof(info);
+	GetVersionEx(&info);
+	return string::f("Windows %u.%u", info.dwMajorVersion, info.dwMinorVersion);
+#endif
+}
+
+
 } // namespace system
 } // namespace rack