diff --git a/lib/WebGUI/Fork.pm b/lib/WebGUI/Fork.pm
index c1d75c2d6..f9d9545f1 100644
--- a/lib/WebGUI/Fork.pm
+++ b/lib/WebGUI/Fork.pm
@@ -295,7 +295,7 @@ sub forkAndExec {
     my $id    = $self->getId;
     my $class = ref $self;
     my $json  = JSON::encode_json($request);
-    my @inc   = $class->cleanINC(@INC);
+    my @inc   = map { "-I$_" } $class->cleanINC(@INC);
     my @argv  = (@inc, "-M$class", "-e$class->runCmd()" );
     $class->daemonize(
         $json,