diff --git a/filter/source/graphicfilter/epbm/epbm.cxx b/filter/source/graphicfilter/epbm/epbm.cxx
index 833dd03815b9..c4de732346d1 100644
--- a/filter/source/graphicfilter/epbm/epbm.cxx
+++ b/filter/source/graphicfilter/epbm/epbm.cxx
@@ -57,8 +57,12 @@ public:
 
 PBMWriter::PBMWriter(SvStream &rPBM)
     : m_rOStm(rPBM)
+    , mpOStmOldModus(0)
     , mbStatus(sal_True)
+    , mnMode(0)
     , mpAcc(NULL)
+    , mnWidth(0)
+    , mnHeight(0)
 {
 }