diff --git a/hack/make/binary-client b/hack/make/binary-client
index 057c618cb3..6e1f739768 100644
--- a/hack/make/binary-client
+++ b/hack/make/binary-client
@@ -1,7 +1,8 @@
 #!/bin/bash
 set -e
 
-BINARY_SHORT_NAME="docker"
-SOURCE_PATH="./client"
-
-source "${MAKEDIR}/.binary"
+(
+	export BINARY_SHORT_NAME='docker'
+	export SOURCE_PATH='./client'
+	source "${MAKEDIR}/.binary"
+)
diff --git a/hack/make/binary-daemon b/hack/make/binary-daemon
index 4bc40eaed7..556ca550da 100644
--- a/hack/make/binary-daemon
+++ b/hack/make/binary-daemon
@@ -1,8 +1,9 @@
 #!/bin/bash
 set -e
 
-BINARY_SHORT_NAME="dockerd"
-SOURCE_PATH="./docker"
-
-source "${MAKEDIR}/.binary"
-copy_containerd "$DEST" "hash"
+(
+	export BINARY_SHORT_NAME='dockerd'
+	export SOURCE_PATH='./docker'
+	source "${MAKEDIR}/.binary"
+	copy_containerd "$DEST" 'hash'
+)
diff --git a/hack/make/dynbinary-client b/hack/make/dynbinary-client
index 22f0dd6ed5..1c99e2684f 100644
--- a/hack/make/dynbinary-client
+++ b/hack/make/dynbinary-client
@@ -2,9 +2,9 @@
 set -e
 
 (
-    export BINARY_SHORT_NAME="docker"
-    export SOURCE_PATH="./client"
-	export IAMSTATIC="false"
+	export BINARY_SHORT_NAME='docker'
+	export SOURCE_PATH='./client'
+	export IAMSTATIC='false'
 	export LDFLAGS_STATIC_DOCKER=''
 	export BUILDFLAGS=( "${BUILDFLAGS[@]/netgo /}" ) # disable netgo, since we don't need it for a dynamic binary
 	export BUILDFLAGS=( "${BUILDFLAGS[@]/static_build /}" ) # we're not building a "static" binary here
diff --git a/hack/make/dynbinary-daemon b/hack/make/dynbinary-daemon
index c647c9cfa0..d8d16ad39e 100644
--- a/hack/make/dynbinary-daemon
+++ b/hack/make/dynbinary-daemon
@@ -2,9 +2,9 @@
 set -e
 
 (
-    export BINARY_SHORT_NAME="dockerd"
-    export SOURCE_PATH="./docker"
-	export IAMSTATIC="false"
+	export BINARY_SHORT_NAME='dockerd'
+	export SOURCE_PATH='./docker'
+	export IAMSTATIC='false'
 	export LDFLAGS_STATIC_DOCKER=''
 	export BUILDFLAGS=( "${BUILDFLAGS[@]/netgo /}" ) # disable netgo, since we don't need it for a dynamic binary
 	export BUILDFLAGS=( "${BUILDFLAGS[@]/static_build /}" ) # we're not building a "static" binary here