diff --git a/src/template/.similar b/src/template/.similar
index d7c2711c6d..2776d2fc65 100644
--- a/src/template/.similar
+++ b/src/template/.similar
@@ -1,6 +1,7 @@
 alpha-dec-osf=alpha
 alpha-unknown-linux-gnu=linuxalpha
 hppa1.1-stratus-sysv4=svr4
+hppa1.1-hp-hpux10.20=hpux
 i386-pc-bsdi2.0=bsdi-2.0
 i386-pc-bsdi2.1=bsdi-2.1
 i386-pc-bsdi3.0=bsdi-3.0