diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 433cfa2589..12e33a7a1c 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2010-08-31  Doug Evans  <dje@google.com>
+
+	* gdb.dwarf2/dw4-sig-types.exp: Use .x for executable name.
+
 2010-08-30  Tom Tromey  <tromey@redhat.com>
 
 	PR python/11792:
diff --git a/gdb/testsuite/gdb.dwarf2/dw4-sig-types.exp b/gdb/testsuite/gdb.dwarf2/dw4-sig-types.exp
index 650aa7a9ee..accb252c60 100644
--- a/gdb/testsuite/gdb.dwarf2/dw4-sig-types.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw4-sig-types.exp
@@ -16,12 +16,13 @@
 # Test dwarf4 signatured types.
 
 set test "dw4-sig-types"
+set executable ${test}.x
 
 # This test is intended for targets which support DWARF-4.
 # Since we pass an explicit -gdwarf-4 to the compiler, we let
 # that be the test of whether the target supports it.
 
-if { [prepare_for_testing "${test}.exp" "${test}" \
+if { [prepare_for_testing "${test}.exp" "${executable}" \
 	{dw4-sig-types.cc dw4-sig-types-b.cc} \
 	{debug c++ additional_flags=-gdwarf-4}] } {
     return -1