diff --git a/packages/controller/controller.ts b/packages/controller/controller.ts
index 3aa41acf..f986423c 100644
--- a/packages/controller/controller.ts
+++ b/packages/controller/controller.ts
@@ -354,7 +354,7 @@ async function initialize(): Promise<InitializeParameters> {
 			controllerConfig = new lib.ControllerConfig("controller", undefined, controllerConfigPath);
 
 		} else {
-			throw new lib.StartupError(`Failed to load ${controllerConfigPath}: ${err.message}`);
+			throw new lib.StartupError(`Failed to load ${controllerConfigPath}: ${err.stack ?? err.message ?? err}`);
 		}
 	}
 
diff --git a/packages/ctl/ctl.ts b/packages/ctl/ctl.ts
index 8945b500..f2fab5b7 100755
--- a/packages/ctl/ctl.ts
+++ b/packages/ctl/ctl.ts
@@ -222,7 +222,7 @@ async function startControl() {
 			controlConfig = new lib.ControlConfig("control", undefined, controlConfigPath);
 
 		} else {
-			throw new lib.StartupError(`Failed to load ${args.config}: ${err.message}`);
+			throw new lib.StartupError(`Failed to load ${args.config}: ${err.stack ?? err.message ?? err}`);
 		}
 	}
 
diff --git a/packages/host/host.ts b/packages/host/host.ts
index c40df9f1..6e6bb779 100755
--- a/packages/host/host.ts
+++ b/packages/host/host.ts
@@ -180,7 +180,7 @@ async function startHost() {
 			hostConfig = new lib.HostConfig("host", undefined, hostConfigPath);
 
 		} else {
-			throw new lib.StartupError(`Failed to load ${args.config}: ${err.message}`);
+			throw new lib.StartupError(`Failed to load ${args.config}: ${err.stack ?? err.message ?? err}`);
 		}
 	}