diff --git a/publicsuffix-list.spec b/publicsuffix-list.spec
index 1719c76..f35ab1e 100644
--- a/publicsuffix-list.spec
+++ b/publicsuffix-list.spec
@@ -1,3 +1,5 @@
+%bcond_without  dafsa
+
 %global revdate 20170206
 
 Name:           publicsuffix-list
@@ -13,7 +15,9 @@ Source2:        https://github.com/publicsuffix/list/raw/master/tests/test_psl.t
 
 BuildArch:      noarch
 
+%if %{with dafsa}
 BuildRequires:  psl-make-dafsa
+%endif
 
 
 %description
@@ -24,6 +28,7 @@ Software using the Public Suffix List will be able to determine where
 cookies may and may not be set, protecting the user from being 
 tracked across sites.
 
+%if %{with dafsa}
 %package dafsa
 Summary:        Cross-vendor public domain suffix database in DAFSA form
 
@@ -37,6 +42,7 @@ tracked across sites.
 
 This package includes a DAFSA representation of the Public Suffix List
 for runtime loading.
+%endif
 
 
 %prep
@@ -46,13 +52,17 @@ cp -av %{SOURCE1} COPYING
 
 
 %build
+%if %{with dafsa}
 LC_CTYPE=C.UTF-8 \
 psl-make-dafsa --output-format=binary \
   public_suffix_list.dat public_suffix_list.dafsa
+%endif
 
 
 %install
+%if %{with dafsa}
 install -m 644 -p -D public_suffix_list.dafsa $RPM_BUILD_ROOT/%{_datadir}/publicsuffix/public_suffix_list.dafsa
+%endif
 install -m 644 -p -D %{SOURCE0} $RPM_BUILD_ROOT/%{_datadir}/publicsuffix/public_suffix_list.dat
 install -m 644 -p -D %{SOURCE2} $RPM_BUILD_ROOT/%{_datadir}/publicsuffix/test_psl.txt
 ln -s public_suffix_list.dat $RPM_BUILD_ROOT/%{_datadir}/publicsuffix/effective_tld_names.dat
@@ -65,10 +75,12 @@ ln -s public_suffix_list.dat $RPM_BUILD_ROOT/%{_datadir}/publicsuffix/effective_
 %{_datadir}/publicsuffix/public_suffix_list.dat
 %{_datadir}/publicsuffix/test_psl.txt
 
+%if %{with dafsa}
 %files dafsa
 %license COPYING
 %dir %{_datadir}/publicsuffix
 %{_datadir}/publicsuffix/public_suffix_list.dafsa
+%endif
 
 
 %changelog