diff --git a/lib/gitlab/kubernetes/helm/client_command.rb b/lib/gitlab/kubernetes/helm/client_command.rb
index 9940272a8bf..6ae68306a9b 100644
--- a/lib/gitlab/kubernetes/helm/client_command.rb
+++ b/lib/gitlab/kubernetes/helm/client_command.rb
@@ -13,15 +13,27 @@ module Gitlab
         end
 
         def wait_for_tiller_command
+          helm_check = ['helm', 'version', *optional_tls_flags].shelljoin
           # This is necessary to give Tiller time to restart after upgrade.
           # Ideally we'd be able to use --wait but cannot because of
           # https://github.com/helm/helm/issues/4855
-          'for i in $(seq 1 30); do helm version && break; sleep 1s; echo "Retrying ($i)..."; done'
+          "for i in $(seq 1 30); do #{helm_check} && break; sleep 1s; echo \"Retrying ($i)...\"; done"
         end
 
         def repository_command
           ['helm', 'repo', 'add', name, repository].shelljoin if repository
         end
+
+        def optional_tls_flags
+          return [] unless files.key?(:'ca.pem')
+
+          [
+            '--tls',
+            '--tls-ca-cert', "#{files_dir}/ca.pem",
+            '--tls-cert', "#{files_dir}/cert.pem",
+            '--tls-key', "#{files_dir}/key.pem"
+          ]
+        end
       end
     end
   end
diff --git a/lib/gitlab/kubernetes/helm/install_command.rb b/lib/gitlab/kubernetes/helm/install_command.rb
index e33ba9305ce..9744a5f3d8a 100644
--- a/lib/gitlab/kubernetes/helm/install_command.rb
+++ b/lib/gitlab/kubernetes/helm/install_command.rb
@@ -95,17 +95,6 @@ module Gitlab
 
           ['--version', version]
         end
-
-        def optional_tls_flags
-          return [] unless files.key?(:'ca.pem')
-
-          [
-            '--tls',
-            '--tls-ca-cert', "#{files_dir}/ca.pem",
-            '--tls-cert', "#{files_dir}/cert.pem",
-            '--tls-key', "#{files_dir}/key.pem"
-          ]
-        end
       end
     end
   end
diff --git a/spec/lib/gitlab/kubernetes/helm/delete_command_spec.rb b/spec/lib/gitlab/kubernetes/helm/delete_command_spec.rb
index cae92305b19..39a46f9bc6d 100644
--- a/spec/lib/gitlab/kubernetes/helm/delete_command_spec.rb
+++ b/spec/lib/gitlab/kubernetes/helm/delete_command_spec.rb
@@ -20,6 +20,15 @@ describe Gitlab::Kubernetes::Helm::DeleteCommand do
     end
   end
 
+  let(:tls_flags) do
+    <<~EOS.squish
+    --tls
+    --tls-ca-cert /data/helm/app-name/config/ca.pem
+    --tls-cert /data/helm/app-name/config/cert.pem
+    --tls-key /data/helm/app-name/config/key.pem
+    EOS
+  end
+
   context 'when there is a ca.pem file' do
     let(:files) { { 'ca.pem': 'some file content' } }
 
@@ -27,7 +36,7 @@ describe Gitlab::Kubernetes::Helm::DeleteCommand do
       let(:commands) do
         <<~EOS
         helm init --upgrade
-        for i in $(seq 1 30); do helm version && break; sleep 1s; echo "Retrying ($i)..."; done
+        for i in $(seq 1 30); do helm version #{tls_flags} && break; sleep 1s; echo "Retrying ($i)..."; done
         #{helm_delete_command}
         EOS
       end
@@ -35,10 +44,7 @@ describe Gitlab::Kubernetes::Helm::DeleteCommand do
       let(:helm_delete_command) do
         <<~EOS.squish
         helm delete --purge app-name
-        --tls
-        --tls-ca-cert /data/helm/app-name/config/ca.pem
-        --tls-cert /data/helm/app-name/config/cert.pem
-        --tls-key /data/helm/app-name/config/key.pem
+        #{tls_flags}
         EOS
       end
     end
diff --git a/spec/lib/gitlab/kubernetes/helm/install_command_spec.rb b/spec/lib/gitlab/kubernetes/helm/install_command_spec.rb
index db76d5d207e..7395b095454 100644
--- a/spec/lib/gitlab/kubernetes/helm/install_command_spec.rb
+++ b/spec/lib/gitlab/kubernetes/helm/install_command_spec.rb
@@ -36,7 +36,7 @@ describe Gitlab::Kubernetes::Helm::InstallCommand do
     let(:commands) do
       <<~EOS
       helm init --upgrade
-      for i in $(seq 1 30); do helm version && break; sleep 1s; echo "Retrying ($i)..."; done
+      for i in $(seq 1 30); do helm version #{tls_flags} && break; sleep 1s; echo "Retrying ($i)..."; done
       helm repo add app-name https://repository.example.com
       helm repo update
       #{helm_install_comand}
@@ -64,7 +64,7 @@ describe Gitlab::Kubernetes::Helm::InstallCommand do
       let(:commands) do
         <<~EOS
         helm init --upgrade
-        for i in $(seq 1 30); do helm version && break; sleep 1s; echo "Retrying ($i)..."; done
+        for i in $(seq 1 30); do helm version #{tls_flags} && break; sleep 1s; echo "Retrying ($i)..."; done
         helm repo add app-name https://repository.example.com
         helm repo update
         #{helm_install_command}
@@ -93,7 +93,7 @@ describe Gitlab::Kubernetes::Helm::InstallCommand do
       let(:commands) do
         <<~EOS
         helm init --upgrade
-        for i in $(seq 1 30); do helm version && break; sleep 1s; echo "Retrying ($i)..."; done
+        for i in $(seq 1 30); do helm version #{tls_flags} && break; sleep 1s; echo "Retrying ($i)..."; done
         #{helm_install_command}
         EOS
       end
@@ -120,7 +120,7 @@ describe Gitlab::Kubernetes::Helm::InstallCommand do
       let(:commands) do
         <<~EOS
         helm init --upgrade
-        for i in $(seq 1 30); do helm version && break; sleep 1s; echo "Retrying ($i)..."; done
+        for i in $(seq 1 30); do helm version #{tls_flags} && break; sleep 1s; echo "Retrying ($i)..."; done
         helm repo add app-name https://repository.example.com
         helm repo update
         /bin/date
@@ -151,7 +151,7 @@ describe Gitlab::Kubernetes::Helm::InstallCommand do
       let(:commands) do
         <<~EOS
         helm init --upgrade
-        for i in $(seq 1 30); do helm version && break; sleep 1s; echo "Retrying ($i)..."; done
+        for i in $(seq 1 30); do helm version #{tls_flags} && break; sleep 1s; echo "Retrying ($i)..."; done
         helm repo add app-name https://repository.example.com
         helm repo update
         #{helm_install_command}
@@ -210,7 +210,7 @@ describe Gitlab::Kubernetes::Helm::InstallCommand do
       let(:commands) do
         <<~EOS
         helm init --upgrade
-        for i in $(seq 1 30); do helm version && break; sleep 1s; echo "Retrying ($i)..."; done
+        for i in $(seq 1 30); do helm version #{tls_flags} && break; sleep 1s; echo "Retrying ($i)..."; done
         helm repo add app-name https://repository.example.com
         helm repo update
         #{helm_install_command}