diff --git a/app-portage/gpkg/gpkg-1.4.0.ebuild b/app-portage/gpkg/gpkg-1.4.0.ebuild
index 7335ebfb38..294cc563d5 100644
--- a/app-portage/gpkg/gpkg-1.4.0.ebuild
+++ b/app-portage/gpkg/gpkg-1.4.0.ebuild
@@ -536,9 +536,7 @@ src_install() {
 	# would fail because gpkg-daemon doesn't define the GUI features).
 	# cargo.eclass honors USE=debug: target/debug/ when debug is set,
 	# target/release/ otherwise — see bug 975866.
-	local target_dir="target/$(usex debug debug release)"
-	dobin "${target_dir}/gpkg-daemon"
-	dobin "${target_dir}/gpkg"
+	dobin "$(cargo_target_dir)/"gpkg{,-daemon}
 
 	# D-Bus system bus configuration
 	insinto /etc/dbus-1/system.d
diff --git a/media-sound/spotify-adblock/spotify-adblock-1.0.1.ebuild b/media-sound/spotify-adblock/spotify-adblock-1.0.1.ebuild
index 6dff059769..ff19e5c10c 100644
--- a/media-sound/spotify-adblock/spotify-adblock-1.0.1.ebuild
+++ b/media-sound/spotify-adblock/spotify-adblock-1.0.1.ebuild
@@ -59,7 +59,7 @@ src_install(){
 	dobin "${T}/spotify-adblock"
 
 	# library
-	newlib.so target/$(usex debug debug release)/libspotifyadblock.so ${PN}.so
+	newlib.so "$(cargo_target_dir)/libspotifyadblock.so" "${PN}.so"
 
 	# config
 	insinto "/etc/${PN}"
diff --git a/media-sound/spotify-adblock/spotify-adblock-1.0.2.ebuild b/media-sound/spotify-adblock/spotify-adblock-1.0.2.ebuild
index 2357695245..06b6403c4f 100644
--- a/media-sound/spotify-adblock/spotify-adblock-1.0.2.ebuild
+++ b/media-sound/spotify-adblock/spotify-adblock-1.0.2.ebuild
@@ -59,7 +59,7 @@ src_install(){
 	dobin "${T}/spotify-adblock"
 
 	# library
-	newlib.so target/$(usex debug debug release)/libspotifyadblock.so ${PN}.so
+	newlib.so "$(cargo_target_dir)/libspotifyadblock.so" "${PN}.so"
 
 	# config
 	insinto "/etc/${PN}"
diff --git a/media-sound/spotify-adblock/spotify-adblock-1.0.3.ebuild b/media-sound/spotify-adblock/spotify-adblock-1.0.3.ebuild
index debfdfc589..ae8a7d9ce6 100644
--- a/media-sound/spotify-adblock/spotify-adblock-1.0.3.ebuild
+++ b/media-sound/spotify-adblock/spotify-adblock-1.0.3.ebuild
@@ -63,7 +63,7 @@ src_install(){
 	dobin "${T}/spotify-adblock"
 
 	# library
-	newlib.so target/$(usex debug debug release)/libspotifyadblock.so ${PN}.so
+	newlib.so "$(cargo_target_dir)/libspotifyadblock.so" "${PN}.so"
 
 	# config
 	insinto "/etc/${PN}"