Index: generic/src/mm/frame.c
===================================================================
--- generic/src/mm/frame.c	(revision 6f9a9bca0eb57eab9af41bd5a627f7f7fdcdc276)
+++ generic/src/mm/frame.c	(revision bffa0b06adea1b03489a7f0c461606f20a0da9b2)
@@ -1075,4 +1075,8 @@
 		for (i = 0; i < init.cnt; i++)
 			frame_mark_unavailable(ADDR2PFN(KA2PA(init.tasks[i].addr)), SIZE2FRAMES(init.tasks[i].size));
+
+		/* Black list first frame, as allocating NULL would
+		 * fail on some places */
+		frame_mark_unavailable(0, 1);
 	}
 }