diff --git a/0ad.spec b/0ad.spec
index e27ee0d..5baf201 100644
--- a/0ad.spec
+++ b/0ad.spec
@@ -94,7 +94,7 @@ history.
 %build
 export CFLAGS="%{optflags}"
 export CPPFLAGS="%{optflags}"
-build/workspaces/update-workspaces.sh --bindir %{_bindir} --datadir %{_datadir}/%{name} --libdir %{_libdir}/%{name} --with-system-enet
+build/workspaces/update-workspaces.sh --bindir=%{_bindir} --datadir=%{_datadir}/%{name} --libdir=%{_libdir}/%{name} --with-system-enet
 pushd build/workspaces/gcc
 %__make verbose=1 %{?_smp_mflags}
 popd
diff --git a/debian.rules b/debian.rules
index a28ba58..04f2bc7 100644
--- a/debian.rules
+++ b/debian.rules
@@ -26,7 +26,7 @@ build-stamp:  config-stamp
 	dh_testdir
 
 	# Add here commands to compile the package.
-	build/workspaces/update-workspaces.sh --bindir /usr/games --datadir /usr/share/games/0ad --libdir /usr/lib/games/0ad --with-system-enet
+	build/workspaces/update-workspaces.sh --bindir=/usr/games --datadir=/usr/share/games/0ad --libdir=/usr/lib/games/0ad --with-system-enet
 
 	# NUMJOBS=1
 	# ifneq ("",$(filter parallel=%,$(DEB_BUILD_OPTIONS)))