diff --git a/lib/errors.ps1 b/lib/errors.ps1
index 22b2658..f2e33dc 100644
--- a/lib/errors.ps1
+++ b/lib/errors.ps1
@@ -1,17 +1,10 @@
 class VMRemoteError : Exception {
-    [string]$msg
-
-    VMRemoteError ([string]$msg) {
-        $this.msg = $msg
-    }
-
-    [string] ErrorMessage () {
-        return $this.msg
+    VMRemoteError ([string]$msg) : base ($msg) {
     }
 }
 
 class LoginError : VMRemoteError {
-    LoginError ([string]$msg) : base ([string]$msg) {
+    LoginError ([string]$msg) : base ($msg) {
     }
 }
 
@@ -19,12 +12,8 @@ class CAPIError : VMRemoteError {
     [int]$retval
     [string]$caller
 
-    CAPIError ([int]$retval, [string]$caller) {
+    CAPIError ([int]$retval, [string]$caller) : base ("$caller returned $retval") {
         $this.retval = $retval
         $this.caller = $caller
     }
-
-    [string] ErrorMessage () {
-        return "CAPI return value: {0} in {1}" -f $this.retval, $this.caller
-    }
-}
+}
\ No newline at end of file