diff --git a/src/template/hpux_gcc b/src/template/hpux_gcc
index d6e8f60403851a2fb1c17f56a99223ba5e62df05..2f977be480135681d06c869f0f80e26fc02b8e02 100644
--- a/src/template/hpux_gcc
+++ b/src/template/hpux_gcc
@@ -1,5 +1,5 @@
 AROPT:crs
-CFLAGS:
+CFLAGS:-O2
 SHARED_LIB:-fPIC
 ALL:
 SRCH_INC: