diff --git a/gdb/testsuite/gdb.threads/gcore-thread.exp b/gdb/testsuite/gdb.threads/gcore-thread.exp
index 748831ed28e..4a77fd69509 100644
--- a/gdb/testsuite/gdb.threads/gcore-thread.exp
+++ b/gdb/testsuite/gdb.threads/gcore-thread.exp
@@ -106,7 +106,7 @@ foreach symbol {__stack_user stack_used} {
 }
 
 if {"$core0file" != ""} {
-    gdb_test "gcore $core0file" "Saved corefile .*" "save a zeroed-threads corefile"
+    gdb_gcore_cmd $core0file "save a zeroed-threads corefile"
 }