diff --git a/install/linux/docker-ee/ubuntu.md b/install/linux/docker-ee/ubuntu.md
index 825b7468db..e37300f8bd 100644
--- a/install/linux/docker-ee/ubuntu.md
+++ b/install/linux/docker-ee/ubuntu.md
@@ -185,7 +185,7 @@ from the repository.
     $ sudo add-apt-repository \
        "deb [arch=amd64] $DOCKER_EE_URL/ubuntu \
        $(lsb_release -cs) \
-       $DOCKER_EE_VERSION"
+       $DOCKER_EE_VERSION stable"
        
     ```
 
@@ -196,7 +196,7 @@ from the repository.
     $ sudo add-apt-repository \
        "deb [arch=s390x] $DOCKER_EE_URL/ubuntu \
        $(lsb_release -cs) \
-       $DOCKER_EE_VERSION"
+       $DOCKER_EE_VERSION stable"
 
     ```
 
@@ -207,7 +207,7 @@ from the repository.
     $ sudo add-apt-repository \
        "deb [arch=ppc64el] $DOCKER_EE_URL/ubuntu \
        $(lsb_release -cs) \
-       $DOCKER_EE_VERSION"
+       $DOCKER_EE_VERSION stable"
 
     ```