diff --git a/zdump/dfi_elf.c b/zdump/dfi_elf.c
index 18ce9fa1..f1534e66 100644
--- a/zdump/dfi_elf.c
+++ b/zdump/dfi_elf.c
@@ -3,7 +3,7 @@
  *
  * ELF core dump input format
  *
- * Copyright IBM Corp. 2001, 2017
+ * Copyright IBM Corp. 2001, 2018
  *
  * s390-tools is free software; you can redistribute it and/or modify
  * it under the terms of the MIT license. See LICENSE for details.
@@ -42,12 +42,16 @@ static int pt_load_add(Elf64_Phdr *phdr)
 		STDERR("Dump file \"%s\" is a user space core dump\n",
 		      g.opts.device);
 	}
-	if (phdr->p_filesz == 0) /* Skip null pt loads */
-		return 0;
-	off_ptr = zg_alloc(sizeof(*off_ptr));
-	*off_ptr = phdr->p_offset;
-	dfi_mem_chunk_add(phdr->p_paddr, phdr->p_filesz, off_ptr,
-			  dfi_elf_mem_chunk_read_fn, zg_free);
+	if (phdr->p_filesz == 0) {
+		/* Add zero memory chunk */
+		dfi_mem_chunk_add(phdr->p_paddr, phdr->p_memsz, NULL,
+				  dfi_mem_chunk_read_zero, NULL);
+	} else {
+		off_ptr = zg_alloc(sizeof(*off_ptr));
+		*off_ptr = phdr->p_offset;
+		dfi_mem_chunk_add(phdr->p_paddr, phdr->p_memsz, off_ptr,
+				  dfi_elf_mem_chunk_read_fn, zg_free);
+	}
 	if (phdr->p_offset + phdr->p_filesz > zg_size(g.fh))
 		return -EINVAL;
 	return 0;
diff --git a/zdump/dfo_elf.c b/zdump/dfo_elf.c
index f1998833..4b29ea82 100644
--- a/zdump/dfo_elf.c
+++ b/zdump/dfo_elf.c
@@ -3,7 +3,7 @@
  *
  * ELF core dump output format
  *
- * Copyright IBM Corp. 2001, 2017
+ * Copyright IBM Corp. 2001, 2018
  *
  * s390-tools is free software; you can redistribute it and/or modify
  * it under the terms of the MIT license. See LICENSE for details.
@@ -71,8 +71,12 @@ static u64 loads_init(Elf64_Phdr *phdr, u64 loads_offset)
 		phdr->p_offset = loads_offset;
 		phdr->p_vaddr = mem_chunk->start;
 		phdr->p_paddr = mem_chunk->start;
-		phdr->p_filesz = mem_chunk->end - mem_chunk->start + 1;
-		phdr->p_memsz = phdr->p_filesz;
+		phdr->p_memsz = mem_chunk->end - mem_chunk->start + 1;
+		if (mem_chunk->read_fn == dfi_mem_chunk_read_zero)
+			/* Zero memory chunk */
+			phdr->p_filesz = 0;
+		else
+			phdr->p_filesz = phdr->p_memsz;
 		phdr->p_flags = PF_R | PF_W | PF_X;
 		phdr->p_align = PAGE_SIZE;
 		loads_offset += phdr->p_filesz;
@@ -277,6 +281,9 @@ static void dump_chunks_init(void)
 	dfo_chunk_add(0, l.hdr_size, l.hdr, dfo_chunk_buf_fn);
 	off = l.hdr_size;
 	dfi_mem_chunk_iterate(mem_chunk) {
+		if (mem_chunk->read_fn == dfi_mem_chunk_read_zero)
+			/* Zero memory chunk */
+			continue;
 		dfo_chunk_add(off, mem_chunk->size, mem_chunk,
 				   dfo_chunk_mem_fn);
 		off += mem_chunk->size;