diff --git a/lalinference/lalinference.spec.in b/lalinference/lalinference.spec.in
index 35f02ca94af3d735b1a90e3ef9f45ef65da3408b..5b133b8a115907d6e7fd909d57af3bc7ce7c416b 100644
--- a/lalinference/lalinference.spec.in
+++ b/lalinference/lalinference.spec.in
@@ -35,6 +35,7 @@ BuildRequires: scipy >= 0.8
 BuildRequires: swig >= 3.0.7
 BuildRequires: python2-gwdatafind
 BuildRequires: python2-gwpy
+BuildRequires: help2man
 BuildRequires: glue >= @MIN_GLUE_VERSION@
 BuildRequires: lal-devel >= @MIN_LAL_VERSION@
 BuildRequires: lal-octave >= @MIN_LAL_VERSION@