diff --git a/debian/Makefile b/debian/Makefile
index 0d05e49..4911332 100644
--- a/debian/Makefile
+++ b/debian/Makefile
@@ -110,6 +110,19 @@
 
 MODULE_VERSION_PREFIX_njs=$(BASE_VERSION).
 
+define MODULE_PREBUILD_njs
+	cd debian/extra/njs-$(MODULE_VERSION_njs) \&\& ./configure \&\& make njs
+endef
+export MODULE_PREBUILD_njs
+
+define MODULE_PREINSTALL_njs
+	mkdir -p $$(INSTALLDIR)/usr/share/doc/nginx-module-njs
+	install -m644 $$(BUILDDIR_nginx)/extra/njs-$(MODULE_VERSION_njs)/CHANGES $$(INSTALLDIR)/usr/share/doc/nginx-module-njs/
+	mkdir -p $$(INSTALLDIR)/usr/bin
+	install -m755 -s $$(CURDIR)/debian/extra/njs-$(MODULE_VERSION_njs)/build/njs $$(INSTALLDIR)/usr/bin/
+endef
+export MODULE_PREINSTALL_njs
+
 define MODULE_POST_njs
 cat <<BANNER
 ----------------------------------------------------------------------
diff --git a/rpm/SPECS/Makefile b/rpm/SPECS/Makefile
index 24d3526..3704ea0 100644
--- a/rpm/SPECS/Makefile
+++ b/rpm/SPECS/Makefile
@@ -115,6 +115,25 @@
 
 MODULE_VERSION_PREFIX_njs=$(BASE_VERSION).
 
+define MODULE_PREBUILD_njs
+cd %{bdir}/njs-$(MODULE_VERSION_njs) \&\& ./configure \&\& make njs
+endef
+export MODULE_PREBUILD_njs
+
+define MODULE_PREINSTALL_njs
+%{__install} -m644 %{bdir}/njs-$(MODULE_VERSION_njs)/CHANGES \
+	$$RPM_BUILD_ROOT%{_datadir}/doc/nginx-module-njs/
+%{__mkdir} -p $$RPM_BUILD_ROOT%{_bindir}
+%{__install} -m755 %{bdir}/njs-$(MODULE_VERSION_njs)/build/njs \
+	$$RPM_BUILD_ROOT%{_bindir}/
+endef
+export MODULE_PREINSTALL_njs
+
+define MODULE_FILES_njs
+%{_bindir}/njs
+endef
+export MODULE_FILES_njs
+
 define MODULE_POST_njs
 cat <<BANNER
 ----------------------------------------------------------------------