--- poppler-0.44.0.orig/poppler/GfxState.cc
+++ poppler-0.44.0/poppler/GfxState.cc
@@ -1453,6 +1453,11 @@
   rgb->r = clip01(dblToCol(r));
   rgb->g = clip01(dblToCol(g));
   rgb->b = clip01(dblToCol(b));
+  if ((color->c[0] == 0) && (color->c[1] == 0) && (color->c[2] == 0) && (color->c[3] == 65536)) {
+    rgb->r = 0;
+    rgb->g = 0;
+    rgb->b = 0;
+  }
 }
 
 static inline void GfxDeviceCMYKColorSpacegetRGBLineHelper(Guchar *&in, double &r, double &g, double &b)