diff -uNr poppler-0.4.3.old/poppler/CairoOutputDev.cc poppler-0.4.3/poppler/CairoOutputDev.cc
--- poppler-0.4.3.old/poppler/CairoOutputDev.cc	2005-12-12 23:24:01.000000000 +0100
+++ poppler-0.4.3/poppler/CairoOutputDev.cc	2006-01-07 19:08:35.000000000 +0100
@@ -189,7 +189,11 @@
 
 void CairoOutputDev::updateLineWidth(GfxState *state) {
   LOG(printf ("line width: %f\n", state->getTransformedLineWidth()));
-  cairo_set_line_width (cairo, state->getTransformedLineWidth());
+  if (state->getTransformedLineWidth() == 0.0) {
+    cairo_set_line_width (cairo, 72.0/300.0);
+  } else {
+    cairo_set_line_width (cairo, state->getTransformedLineWidth());
+  }
 }
 
 void CairoOutputDev::updateFillColor(GfxState *state) {