diff --git a/lib/WeBWorK/PG.pm b/lib/WeBWorK/PG.pm
index d3e5dc654c..a89fb374c3 100644
--- a/lib/WeBWorK/PG.pm
+++ b/lib/WeBWorK/PG.pm
@@ -173,9 +173,9 @@ sub new_helper ($invocant, %options) {
 		);
 	}
 
-	# HTML_dpng uses an ImageGenerator. We have to render the queued equations.
-	# This must be done before the post processing, since the image tags output by the image generator initially
-	# include markers which are invalid html. Mojo::DOM will change these markers into attributes and this will fail.
+	# HTML_dpng uses an ImageGenerator. We have to render the queued equations.  This must be done before the post
+	# processing, since the image tags output by the image generator initially include markers which are invalid html.
+	# Mojo::DOM will change these markers into attributes with values and this will fail.
 	if ($image_generator) {
 		my $sourceFile = "$options{templateDirectory}$options{sourceFilePath}";
 		$image_generator->render(
@@ -185,6 +185,7 @@ sub new_helper ($invocant, %options) {
 	}
 
 	$translator->post_process_content if ref($translator->{rh_pgcore}) eq 'PGcore';
+	$translator->stringify_answers;
 
 	return bless {
 		translator       => $translator,
diff --git a/lib/WeBWorK/PG/Translator.pm b/lib/WeBWorK/PG/Translator.pm
index 21c8249811..931c99e59b 100644
--- a/lib/WeBWorK/PG/Translator.pm
+++ b/lib/WeBWorK/PG/Translator.pm
@@ -49,6 +49,7 @@ WeBWorK::PG::Translator - Evaluate PG code and evaluate answers safely
     my $rh_problem_result = $pt->grade_problem(%options); # grades the problem.
 
     $pt->post_process_content;   # Execute macro or problem hooks that further modify the problem content.
+    $pt->stringify_answers;      # Convert objects to strings in the answer hash
 
 =head1 DESCRIPTION
 
@@ -1036,7 +1037,6 @@ sub grade_problem {
 	use strict;
 
 	die $@ if $@;
-	$self->stringify_answers;
 	return ($self->{rh_problem_result}, $self->{rh_problem_state});
 }