diff --git a/nixos/tests/kubernetes/dns.nix b/nixos/tests/kubernetes/dns.nix
index 42eafcfc195..46bcb01a526 100644
--- a/nixos/tests/kubernetes/dns.nix
+++ b/nixos/tests/kubernetes/dns.nix
@@ -78,10 +78,10 @@ let
     test = ''
       # prepare machine1 for test
       $machine1->waitUntilSucceeds("kubectl get node machine1.${domain} | grep -w Ready");
-      $machine1->execute("docker load < ${redisImage}");
+      $machine1->waitUntilSucceeds("docker load < ${redisImage}");
       $machine1->waitUntilSucceeds("kubectl create -f ${redisPod}");
       $machine1->waitUntilSucceeds("kubectl create -f ${redisService}");
-      $machine1->execute("docker load < ${probeImage}");
+      $machine1->waitUntilSucceeds("docker load < ${probeImage}");
       $machine1->waitUntilSucceeds("kubectl create -f ${probePod}");
 
       # check if pods are running
@@ -105,10 +105,10 @@ let
 
       # prepare machines for test
       $machine1->waitUntilSucceeds("kubectl get node machine2.${domain} | grep -w Ready");
-      $machine2->execute("docker load < ${redisImage}");
+      $machine2->waitUntilSucceeds("docker load < ${redisImage}");
       $machine1->waitUntilSucceeds("kubectl create -f ${redisPod}");
       $machine1->waitUntilSucceeds("kubectl create -f ${redisService}");
-      $machine2->execute("docker load < ${probeImage}");
+      $machine2->waitUntilSucceeds("docker load < ${probeImage}");
       $machine1->waitUntilSucceeds("kubectl create -f ${probePod}");
 
       # check if pods are running
diff --git a/nixos/tests/kubernetes/rbac.nix b/nixos/tests/kubernetes/rbac.nix
index 91f97bed681..3ce7adcd0d7 100644
--- a/nixos/tests/kubernetes/rbac.nix
+++ b/nixos/tests/kubernetes/rbac.nix
@@ -96,7 +96,7 @@ let
     test = ''
       $machine1->waitUntilSucceeds("kubectl get node machine1.my.zyx | grep -w Ready");
 
-      $machine1->execute("docker load < ${kubectlImage}");
+      $machine1->waitUntilSucceeds("docker load < ${kubectlImage}");
 
       $machine1->waitUntilSucceeds("kubectl apply -f ${roServiceAccount}");
       $machine1->waitUntilSucceeds("kubectl apply -f ${roRole}");
@@ -119,7 +119,7 @@ let
 
       $machine1->waitUntilSucceeds("kubectl get node machine2.my.zyx | grep -w Ready");
 
-      $machine2->execute("docker load < ${kubectlImage}");
+      $machine2->waitUntilSucceeds("docker load < ${kubectlImage}");
 
       $machine1->waitUntilSucceeds("kubectl apply -f ${roServiceAccount}");
       $machine1->waitUntilSucceeds("kubectl apply -f ${roRole}");