diff --git a/rust-sequoia-sq.spec b/rust-sequoia-sq.spec
index a96e60b..43ddbf6 100644
--- a/rust-sequoia-sq.spec
+++ b/rust-sequoia-sq.spec
@@ -119,14 +119,16 @@ rm -vr subplot/
 mkdir -p bundled_capnproto
 pushd bundled_capnproto
 tar --strip-components=1 -xf %{SOURCE2}
-%cmake -DBUILD_TESTING=OFF
-%cmake_build
 popd
 %endif
 
 %build
 %if %{with bundled_capnproto}
-export PATH="$PWD/bundled_capnproto/%{__cmake_builddir}/src/capnp:$PATH"
+pushd bundled_capnproto
+%cmake -DBUILD_TESTING=OFF
+%cmake_build
+export PATH="$PWD/%{__cmake_builddir}/src/capnp:$PATH"
+popd
 %endif
 %cargo_build
 %{cargo_license_summary}