diff --git a/dev-ros/rosserial_xbee/rosserial_xbee-0.8.0.ebuild b/dev-ros/rosserial_xbee/rosserial_xbee-0.8.0.ebuild
index 42c824d074c89..aab6d76630081 100644
--- a/dev-ros/rosserial_xbee/rosserial_xbee-0.8.0.ebuild
+++ b/dev-ros/rosserial_xbee/rosserial_xbee-0.8.0.ebuild
@@ -14,10 +14,10 @@ SLOT="0"
 IUSE=""
 
 RDEPEND="
-	dev-ros/rospy[${PYTHON_USEDEP}]
-	dev-python/pyserial[${PYTHON_USEDEP}]
+	dev-ros/rospy[${PYTHON_SINGLE_USEDEP}]
+	$(python_gen_cond_dep "dev-python/pyserial[\${PYTHON_USEDEP}]")
 	dev-ros/rosserial_msgs[${CATKIN_MESSAGES_PYTHON_USEDEP}]
 	dev-ros/diagnostic_msgs[${CATKIN_MESSAGES_PYTHON_USEDEP}]
-	dev-ros/rosserial_python[${PYTHON_USEDEP}]
+	dev-ros/rosserial_python[${PYTHON_SINGLE_USEDEP}]
 "
 DEPEND="${RDEPEND}"
diff --git a/dev-ros/rosserial_xbee/rosserial_xbee-9999.ebuild b/dev-ros/rosserial_xbee/rosserial_xbee-9999.ebuild
index 42c824d074c89..aab6d76630081 100644
--- a/dev-ros/rosserial_xbee/rosserial_xbee-9999.ebuild
+++ b/dev-ros/rosserial_xbee/rosserial_xbee-9999.ebuild
@@ -14,10 +14,10 @@ SLOT="0"
 IUSE=""
 
 RDEPEND="
-	dev-ros/rospy[${PYTHON_USEDEP}]
-	dev-python/pyserial[${PYTHON_USEDEP}]
+	dev-ros/rospy[${PYTHON_SINGLE_USEDEP}]
+	$(python_gen_cond_dep "dev-python/pyserial[\${PYTHON_USEDEP}]")
 	dev-ros/rosserial_msgs[${CATKIN_MESSAGES_PYTHON_USEDEP}]
 	dev-ros/diagnostic_msgs[${CATKIN_MESSAGES_PYTHON_USEDEP}]
-	dev-ros/rosserial_python[${PYTHON_USEDEP}]
+	dev-ros/rosserial_python[${PYTHON_SINGLE_USEDEP}]
 "
 DEPEND="${RDEPEND}"