diff --git a/hack/make/.build-deb/rules b/hack/make/.build-deb/rules
index e1c05554a7..12a92edcb7 100755
--- a/hack/make/.build-deb/rules
+++ b/hack/make/.build-deb/rules
@@ -6,7 +6,7 @@ override_dh_gencontrol:
 	# if we're on Ubuntu, we need to Recommends: apparmor
 	echo 'apparmor:Recommends=$(shell dpkg-vendor --is Ubuntu && echo apparmor)' >> debian/docker-engine.substvars
 	# recommend yubico-piv-tool since we include pkcs11 by default
-	echo 'yubico:Recommends="yubico-piv-tool (>= 1.1.0~)"' >> debian/docker-engine.substvars
+	echo 'yubico:Recommends=yubico-piv-tool (>= 1.1.0~)' >> debian/docker-engine.substvars
 	dh_gencontrol
 
 override_dh_auto_build: