diff --git a/autojump.spec b/autojump.spec
index 6b526f2..a61f069 100644
--- a/autojump.spec
+++ b/autojump.spec
@@ -24,7 +24,7 @@ License:        GPL-3.0-or-later
 Group:          System/Console
 URL:            https://github.com/wting/autojump
 Source:         https://github.com/wting/autojump/archive/release-v%{version}.tar.gz#/%{name}-%{version}.tar.gz
-BuildRequires:  python3-devel
+BuildRequires:  python3
 BuildRequires:  python3-mock
 BuildRequires:  python3-pytest
 BuildArch:      noarch
@@ -38,8 +38,10 @@ Directories must be visited first before they can be jumped to.
 
 %prep
 %setup -q -n %{name}-release-v%{version}
+
+# Fix shebangs.
 sed -i 's/env python$/python3/' bin/%{name}
-sed -i '/env python$/s|^.*$|# -*- python -*-|' bin/%{name}_*.py
+sed -i '/env python$/s/^.*$/# -*- python -*-/' bin/%{name}_*.py
 
 %build
 # Nothing to build.
@@ -59,16 +61,16 @@ rm %{buildroot}%{_bindir}/%{name}_argparse.py
 sed -i 's/autojump_argparse/argparse/' %{buildroot}%{_bindir}/%{name}*
 
 # Make it a proper Python module instead of polluting bindir.
+sed -Ei "s/^(import|from) %{name}_(data|match|utils)/\1 %{name}.\2/" \
+  %{buildroot}%{_bindir}/%{name} %{buildroot}%{_bindir}/%{name}_*.py
+
 mkdir -p %{buildroot}%{python3_sitelib}/%{name}/
-echo "# -*- python -*-" > %{buildroot}%{python3_sitelib}/%{name}/__init__.py
 for m in data match utils; do
     mv "%{buildroot}%{_bindir}/%{name}_$m.py" \
       "%{buildroot}%{python3_sitelib}/%{name}/$m.py"
 done
-for m in data match utils; do
-    sed -i "s/^from %{name}_$m import/from %{name}.$m import/" \
-      %{buildroot}%{_bindir}/%{name} %{buildroot}%{python3_sitelib}/%{name}/*.py
-done
+echo "# -*- python -*-" > %{buildroot}%{python3_sitelib}/%{name}/__init__.py
+
 %py3_compile %{buildroot}%{python3_sitelib}/%{name}/
 
 %check