diff --git a/Socialmetrica.package/NitterUser.class/instance/exportRepliesHistogramWithBars..st b/Socialmetrica.package/NitterUser.class/instance/exportRepliesHistogramWithBars..st
index ce4f27d..2081a93 100644
--- a/Socialmetrica.package/NitterUser.class/instance/exportRepliesHistogramWithBars..st
+++ b/Socialmetrica.package/NitterUser.class/instance/exportRepliesHistogramWithBars..st
@@ -26,4 +26,9 @@ exportRepliesHistogramWithBars: aNumberOfBars
 		noFixedShapes; 
 		fileName: (self folder / 'replies-histogram.png')fullName;
 		export.	
+	tweetsHistogram canvas pdfExporter 
+		zoomToShapes;
+		noFixedShapes; 
+		fileName: (self folder / 'replies-histogram.pdf')fullName;
+		export.	
 	^ self folder / 'replies-histogram.png'
\ No newline at end of file
diff --git a/Socialmetrica.package/NitterUser.class/instance/exportTweetsHistogramWithBars..st b/Socialmetrica.package/NitterUser.class/instance/exportTweetsHistogramWithBars..st
index fafc3b2..09387d8 100644
--- a/Socialmetrica.package/NitterUser.class/instance/exportTweetsHistogramWithBars..st
+++ b/Socialmetrica.package/NitterUser.class/instance/exportTweetsHistogramWithBars..st
@@ -25,5 +25,10 @@ exportTweetsHistogramWithBars: aNumberOfBars
 		zoomToShapes;
 		noFixedShapes; 
 		fileName: (self folder / 'tweets-histogram.png')fullName;
-		export.	
+		export.
+	tweetsHistogram canvas pdfExporter 
+		zoomToShapes;
+		noFixedShapes; 
+		fileName: (self folder / 'tweets-histogram.pdf')fullName;
+		export.
 	^ self folder / 'tweets-histogram.png'
\ No newline at end of file