diff --git a/poppler/PSOutputDev.cc b/poppler/PSOutputDev.cc
index 8fd3107..7ad7234 100644
--- a/poppler/PSOutputDev.cc
+++ b/poppler/PSOutputDev.cc
@@ -1012,6 +1012,7 @@
   fontIDs = NULL;
   fontFileIDs = NULL;
   fontFileNames = NULL;
+  fontFileNameLen = 0;
   font8Info = NULL;
   font16Enc = NULL;
   imgIDs = NULL;
@@ -1022,6 +1023,7 @@
   haveTextClip = gFalse;
   haveCSPattern = gFalse;
   t3String = NULL;
+  psFileNames = NULL;
 
   forceRasterize = forceRasterizeA;
 
@@ -1077,6 +1079,7 @@
   fontIDs = NULL;
   fontFileIDs = NULL;
   fontFileNames = NULL;
+  fontFileNameLen = 0;
   font8Info = NULL;
   font16Enc = NULL;
   imgIDs = NULL;
@@ -1087,6 +1090,7 @@
   haveTextClip = gFalse;
   haveCSPattern = gFalse;
   t3String = NULL;
+  psFileNames = NULL;
 
   forceRasterize = forceRasterizeA;