diff --git a/mime/cupsfilters-poppler.convs b/mime/cupsfilters-poppler.convs
index 4fd91c1e..abc8bdd0 100644
--- a/mime/cupsfilters-poppler.convs
+++ b/mime/cupsfilters-poppler.convs
@@ -15,5 +15,5 @@
 # Poppler-based filters...
 #
 
-application/vnd.cups-pdf	application/vnd.cups-raster	100	pdftoraster
-application/vnd.cups-pdf	image/pwg-raster		100	pdftoraster
+application/pdf	application/vnd.cups-raster	100	pdftoraster
+application/pdf	image/pwg-raster		100	pdftoraster