3 files changed, 6 insertions, 4 deletions
diff --git a/src/lib/connections/bond b/src/lib/connections/bond
index 09e51c6..379e272 100644
--- a/src/lib/connections/bond
+++ b/src/lib/connections/bond
@@ -2,7 +2,7 @@
 
 . "$SUBR_DIR/ip"
 
-IFENSLAVE="/sbin/ifenslave"
+: ${IFENSLAVE:=ifenslave}
 
 bond_up() {
     if is_interface "$Interface"; then
diff --git a/src/lib/connections/bridge b/src/lib/connections/bridge
index 929a76b..f33295d 100644
--- a/src/lib/connections/bridge
+++ b/src/lib/connections/bridge
@@ -2,7 +2,7 @@
 
 . "$SUBR_DIR/ip"
 
-BRCTL="/usr/sbin/brctl"
+: ${BRCTL:=brctl}
 
 bridge_up() {
     if is_interface "$Interface"; then
diff --git a/src/lib/connections/pppoe b/src/lib/connections/pppoe
index b24b503..2578af7 100644
--- a/src/lib/connections/pppoe
+++ b/src/lib/connections/pppoe
@@ -1,5 +1,7 @@
 # Contributed by: Thomas Bächler <thomas@archlinux.org>
 
+: ${PPPD:=pppd}
+
 _quotestring() {
     echo "\"${1/\"/\\\"}\""
 }
@@ -43,8 +45,8 @@ pppoe_up() {
     [[ -n ${PPPoEMAC} ]] && echo "pppoe-mac $(_quotestring "${PPPoEMAC}")" >> "${cfg}"
     [[ ${PPPoEIP6} == yes ]] && echo "+ipv6" >> "${cfg}"
 
-    /sbin/ip link set dev "${Interface}" up
-    /usr/sbin/pppd file "${cfg}"
+    ip link set dev "${Interface}" up
+    $PPPD file "${cfg}"
 
     if [[ $? -ne 0 ]]; then
         rm "${cfg}"