diff --git a/lib/PBot/Plugin/Plang.pm b/lib/PBot/Plugin/Plang.pm
index b002648d..9faefcaf 100644
--- a/lib/PBot/Plugin/Plang.pm
+++ b/lib/PBot/Plugin/Plang.pm
@@ -93,6 +93,7 @@ sub unload {
     my $self = shift;
     $self->{pbot}->{commands}->unregister('plang');
     $self->{pbot}->{commands}->unregister('plangrepl');
+    delete $INC{"Plang/Interpreter.pm"};
 }
 
 sub cmd_plang {
@@ -114,7 +115,7 @@ sub cmd_plang {
 
     if (my $exception = $@) {
         $exception = $self->{plang}->{interpreter}->output_value($exception);
-        $self->{output} .= "Run-time error: unhandled exception: $exception";
+        $self->{output} .= $exception;
     }
 
     # return the output
diff --git a/lib/PBot/VERSION.pm b/lib/PBot/VERSION.pm
index a6bddc34..5b73d02b 100644
--- a/lib/PBot/VERSION.pm
+++ b/lib/PBot/VERSION.pm
@@ -25,7 +25,7 @@ use PBot::Imports;
 # These are set by the /misc/update_version script
 use constant {
     BUILD_NAME     => "PBot",
-    BUILD_REVISION => 4443,
+    BUILD_REVISION => 4444,
     BUILD_DATE     => "2022-01-18",
 };