diff --git a/lib/ansible/modules/windows/win_nssm.ps1 b/lib/ansible/modules/windows/win_nssm.ps1
index 3f8b3436441..afb12393ed1 100644
--- a/lib/ansible/modules/windows/win_nssm.ps1
+++ b/lib/ansible/modules/windows/win_nssm.ps1
@@ -27,7 +27,7 @@ $startMode = Get-AnsibleParam -obj $params -name "start_mode" -type "str" -defau
 
 $stdoutFile = Get-AnsibleParam -obj $params -name "stdout_file" -type "str"
 $stderrFile = Get-AnsibleParam -obj $params -name "stderr_file" -type "str"
-$dependencies = Get-AnsibleParam -obj $params -name "dependencies" -type "str"
+$dependencies = Get-AnsibleParam -obj $params -name "dependencies" -type "list"
 
 $user = Get-AnsibleParam -obj $params -name "user" -type "str"
 $password = Get-AnsibleParam -obj $params -name "password" -type "str"
@@ -431,11 +431,11 @@ Function Nssm-Update-Dependencies
         Throw "Error updating dependencies for service ""$name"""
     }
 
-    $dependencies_array = @($dependencies.split(" ") | where { $_ -ne '' })
     $current_dependencies = @($nssm_result.stdout.split("`n`r") | where { $_ -ne '' })
 
-    If (@(Compare-Object -ReferenceObject $current_dependencies -DifferenceObject $dependencies_array).Length -ne 0) {
-        $cmd = "set ""$name"" DependOnService $dependencies"
+    If (@(Compare-Object -ReferenceObject $current_dependencies -DifferenceObject $dependencies).Length -ne 0) {
+        $dependencies_str = Argv-ToString -arguments $dependencies
+        $cmd = "set ""$name"" DependOnService $dependencies_str"
         $nssm_result = Nssm-Invoke $cmd
 
         if ($nssm_result.rc -ne 0)
diff --git a/lib/ansible/modules/windows/win_nssm.py b/lib/ansible/modules/windows/win_nssm.py
index 2fb8928f0b9..f896d1e3f95 100644
--- a/lib/ansible/modules/windows/win_nssm.py
+++ b/lib/ansible/modules/windows/win_nssm.py
@@ -58,7 +58,7 @@ options:
       - Use either this or C(app_parameters), not both.
   dependencies:
     description:
-      - Service dependencies that has to be started to trigger startup, separated by space.
+      - Service dependencies that has to be started to trigger startup, separated by comma.
   user:
     description:
       - User to be used for service startup.
@@ -140,7 +140,7 @@ EXAMPLES = r'''
 - win_nssm:
     name: foo
     application: C:\windows\foo.exe
-    dependencies: 'adf tcpip'
+    dependencies: 'adf,tcpip'
 
 # Install and start the foo service with dedicated user
 - win_nssm:
diff --git a/test/integration/targets/win_nssm/tasks/tests.yml b/test/integration/targets/win_nssm/tasks/tests.yml
index 0c0f739b1ab..83364e7121f 100644
--- a/test/integration/targets/win_nssm/tasks/tests.yml
+++ b/test/integration/targets/win_nssm/tasks/tests.yml
@@ -81,7 +81,7 @@
     name: '{{ test_service_name }}'
     application: C:\Windows\System32\cmd.exe
     start_mode: manual
-    dependencies: 'tcpip dnscache'
+    dependencies: 'tcpip,dnscache'
     user: '{{ test_win_nssm_username }}'
     password: '{{ test_win_nssm_password }}'
     stdout_file: '{{ test_win_nssm_path }}\log.txt'
@@ -114,7 +114,7 @@
     application: C:\Windows\System32\cmd.exe
     start_mode: manual
     # Dependencies order should not trigger a change
-    dependencies: 'dnscache tcpip'
+    dependencies: 'dnscache,tcpip'
     user: '{{ test_win_nssm_username }}'
     password: '{{ test_win_nssm_password }}'
     stdout_file: '{{ test_win_nssm_path }}\log.txt'