diff --git a/omnibus/files/firezone-scripts/wireguard b/omnibus/files/firezone-scripts/wireguard
index fbaf55517..bffe5bf79 100755
--- a/omnibus/files/firezone-scripts/wireguard
+++ b/omnibus/files/firezone-scripts/wireguard
@@ -15,10 +15,10 @@ setup_interface()
     ip link add ${WIREGUARD_INTERFACE_NAME} type wireguard
   fi
 
-  if [[ $WIREGUARD_IPV4_ENABLED -eq "true" ]]; then
+  if [ $WIREGUARD_IPV4_ENABLED = "true" ]; then
     ip address replace ${WIREGUARD_IPV4_ADDRESS} dev ${WIREGUARD_INTERFACE_NAME}
   fi
-  if [[ $WIREGUARD_IPV6_ENABLED -eq "true" ]]; then
+  if [ $WIREGUARD_IPV6_ENABLED = "true" ]; then
     ip -6 address replace ${WIREGUARD_IPV6_ADDRESS} dev ${WIREGUARD_INTERFACE_NAME}
   fi
   ip link set mtu ${WIREGUARD_INTERFACE_MTU} up dev ${WIREGUARD_INTERFACE_NAME}
@@ -28,10 +28,10 @@ setup_interface()
 
 add_routes()
 {
-  if [[ $WIREGUARD_IPV4_ENABLED -eq "true" ]]; then
+  if [ $WIREGUARD_IPV4_ENABLED = "true" ]; then
     ip route add ${WIREGUARD_IPV4_NETWORK} dev ${WIREGUARD_INTERFACE_NAME}
   fi
-  if [[ $WIREGUARD_IPV6_ENABLED -eq "true" ]]; then
+  if [ $WIREGUARD_IPV6_ENABLED = "true" ]; then
     ip -6 route add ${WIREGUARD_IPV6_NETWORK} dev ${WIREGUARD_INTERFACE_NAME}
   fi
 }