diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index cec6b16707b..e14ab76ee3f 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,7 @@
+2018-01-17  Alan Modra  <amodra@gmail.com>
+
+	* elf64-ppc.c (ppc64_elf_build_stubs): Silence gcc warning.
+
 2018-01-17  Alan Modra  <amodra@gmail.com>
 
 	* elf32-ppc.c (GLINK_ENTRY_SIZE): Handle speculation barrier.
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 1b4404cecb4..65cf7feb391 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -13211,7 +13211,7 @@ ppc64_elf_build_stubs (struct bfd_link_info *info,
 	  p += 4;
 	}
       p = output_bctr (htab, htab->glink->owner, p);
-      BFD_ASSERT (p - htab->glink->contents == GLINK_PLTRESOLVE_SIZE (htab));
+      BFD_ASSERT (p == htab->glink->contents + GLINK_PLTRESOLVE_SIZE (htab));
 
       /* Build the .glink lazy link call stubs.  */
       indx = 0;