--- coregrind/m_debuginfo/storage.c.orig
+++ coregrind/m_debuginfo/storage.c
@@ -1534,7 +1534,7 @@
    vlena = VG_(strlen)(a_name);
    vlenb = VG_(strlen)(b_name);
 
-#  if defined(VGO_linux) || defined(VGO_solaris) || defined(VGO_freebsd)
+#  if defined(VGO_linux) || defined(VGO_solaris) || defined(VGO_freebsd) || defined(VGO_openbsd)
 #    define VERSION_CHAR '@'
 #  elif defined(VGO_darwin)
 #    define VERSION_CHAR '$'
