diff --git a/changelog/21563.txt b/changelog/21563.txt
new file mode 100644
index 0000000000..7426ed24fa
--- /dev/null
+++ b/changelog/21563.txt
@@ -0,0 +1,3 @@
+```release-note:improvement
+openapi: Better mount points for kv-v1 and kv-v2 in openapi.json
+```
diff --git a/helper/builtinplugins/registry_test.go b/helper/builtinplugins/registry_test.go
index cfaec51814..55acdd9859 100644
--- a/helper/builtinplugins/registry_test.go
+++ b/helper/builtinplugins/registry_test.go
@@ -242,10 +242,10 @@ func Test_RegistryMatchesGenOpenapi(t *testing.T) {
 
 		var (
 			credentialBackends   []string
-			credentialBackendsRe = regexp.MustCompile(`^vault auth enable (?:"([a-zA-Z]+)"|([a-zA-Z]+))$`)
+			credentialBackendsRe = regexp.MustCompile(`^vault auth enable (?:-.+ )*(?:"([a-zA-Z]+)"|([a-zA-Z]+))$`)
 
 			secretsBackends   []string
-			secretsBackendsRe = regexp.MustCompile(`^vault secrets enable (?:"([a-zA-Z]+)"|([a-zA-Z]+))$`)
+			secretsBackendsRe = regexp.MustCompile(`^vault secrets enable (?:-.+ )*(?:"([a-zA-Z]+)"|([a-zA-Z]+))$`)
 		)
 
 		scanner := bufio.NewScanner(f)
diff --git a/scripts/gen_openapi.sh b/scripts/gen_openapi.sh
index de4589877d..b9495cc9c6 100755
--- a/scripts/gen_openapi.sh
+++ b/scripts/gen_openapi.sh
@@ -37,7 +37,13 @@ trap defer_stop_vault INT TERM EXIT
 
 export VAULT_ADDR=http://127.0.0.1:8200
 
-echo "Mounting all builtin plugins..."
+echo "Unmounting the default kv-v2 secrets engine ..."
+
+# Unmount the default kv-v2 engine so that we can remount it at 'kv_v2/' later.
+# The mount path will be reflected in the resultant OpenAPI document.
+vault secrets disable "secret/"
+
+echo "Mounting all builtin plugins ..."
 
 # Enable auth plugins
 vault auth enable "alicloud"
@@ -67,7 +73,8 @@ vault secrets enable "database"
 vault secrets enable "gcp"
 vault secrets enable "gcpkms"
 vault secrets enable "kubernetes"
-vault secrets enable "kv"
+vault secrets enable -path="kv-v1/" -version=1 "kv"
+vault secrets enable -path="kv-v2/" -version=2 "kv"
 vault secrets enable "ldap"
 vault secrets enable "mongodbatlas"
 vault secrets enable "nomad"
diff --git a/vault/logical_system.go b/vault/logical_system.go
index 1d7c8895e3..a332276b93 100644
--- a/vault/logical_system.go
+++ b/vault/logical_system.go
@@ -4541,7 +4541,7 @@ func (b *SystemBackend) pathInternalOpenAPI(ctx context.Context, req *logical.Re
 	// Generic mount paths will primarily be used for code generation purposes.
 	// This will result in parameterized mount paths being returned instead of
 	// hardcoded actual paths. For example /auth/my-auth-method/login would be
-	// replaced with /auth/{my-auth-method_mount_path}/login.
+	// replaced with /auth/{my_auth_method_mount_path}/login.
 	//
 	// Note that for this to actually be useful, you have to be using it with
 	// a Vault instance in which you have mounted one of each secrets engine
@@ -4615,7 +4615,7 @@ func (b *SystemBackend) pathInternalOpenAPI(ctx context.Context, req *logical.Re
 						(pluginType == "system" || pluginType == "identity" || pluginType == "cubbyhole"))
 
 				if !isSingletonMount {
-					mountPathParameterName = strings.TrimRight(mount, "/") + "_mount_path"
+					mountPathParameterName = strings.TrimRight(strings.ReplaceAll(mount, "-", "_"), "/") + "_mount_path"
 				}
 			}