diff --git a/startup/EpicsHostArch.pl b/startup/EpicsHostArch.pl
index 4be40b3f6..3a2a19b62 100755
--- a/startup/EpicsHostArch.pl
+++ b/startup/EpicsHostArch.pl
@@ -30,6 +30,7 @@ sub GetEpicsHostArch { # no args
     } elsif ($arch =~ m/i[3-6]86-linux/)    { return "linux-x86";
     } elsif ($arch =~ m/MSWin32-x86/)   { return "win32-x86";
     } elsif ($arch =~ m/PA-RISC1.1/)    { return "hpux-parisc";
+    } elsif ($arch =~ m/darwin/)        { return "darwin-ppc";
     } else { return "unsupported"; }
 }