diff --git a/rpm/generic/zfs.spec.in b/rpm/generic/zfs.spec.in
index 25beadce7c..0e9cdcc31f 100644
--- a/rpm/generic/zfs.spec.in
+++ b/rpm/generic/zfs.spec.in
@@ -148,10 +148,15 @@ BuildRequires:  ncompress
 BuildRequires:  libtirpc-devel
 %endif
 
+%if %{with pam}
+BuildRequires:  pam-devel
+%endif
+
 Requires:       openssl
 %if 0%{?_systemd}
 BuildRequires: systemd
 %endif
+
 %endif
 
 %if 0%{?_systemd}