diff --git a/classes/cargo_common.bbclass b/classes/cargo_common.bbclass
index 7eaa9d0..02429be 100644
--- a/classes/cargo_common.bbclass
+++ b/classes/cargo_common.bbclass
@@ -59,7 +59,7 @@ cargo_common_do_configure () {
 	EOF
 
 	if [ -n "${http_proxy}" ]; then
-		echo "proxy = \"{http_proxy}\"" >> ${CARGO_HOME}/config
+		echo "proxy = \"${http_proxy}\"" >> ${CARGO_HOME}/config
 	fi
 
 	echo "[target.${HOST_SYS}]" >> ${CARGO_HOME}/config