diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 0e24d3a3e1..75fee369d3 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2007-07-12  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* solib-svr4.c (LM_ADDR_CHECK): Relax prelink recognition heuristic.
+
 2007-07-10  Nick Roberts  <nickrob@snap.net.nz>
 
 	* breakpoint.c: Include "top.h".
diff --git a/gdb/solib-svr4.c b/gdb/solib-svr4.c
index 3f6be94fe0..1ef2d1e06c 100644
--- a/gdb/solib-svr4.c
+++ b/gdb/solib-svr4.c
@@ -184,7 +184,7 @@ LM_ADDR_CHECK (struct so_list *so, bfd *abfd)
 	     don't adjust the base offset in the latter case, although
 	     odds are that, if things really changed, debugging won't
 	     quite work.  */
-	  if ((l_addr & align) == 0 && ((dynaddr - l_dynaddr) & align) == 0)
+	  if ((l_addr & align) == ((l_dynaddr - dynaddr) & align))
 	    {
 	      l_addr = l_dynaddr - dynaddr;