diff --git a/src/GettextPOGenerator.php b/src/GettextPOGenerator.php
index 26b992c..6883654 100644
--- a/src/GettextPOGenerator.php
+++ b/src/GettextPOGenerator.php
@@ -180,6 +180,9 @@ private function addStringsFromJsonFiles($translations)
         // Load each JSON file to get source strings
         foreach ($this->JsonFiles() as $jsonFile) {
             $jsonTranslations = json_decode(file_get_contents($jsonFile), true);
+            if (!is_array($jsonTranslations)) {
+                throw new \Exception("The file '$jsonFile' is not valid JSON.'");
+            }
 
             foreach ($jsonTranslations as $key => $value) {
                 $sourceStrings[] = $key;
diff --git a/src/SourceSaver.php b/src/SourceSaver.php
index 4c8278e..ca3a7d3 100644
--- a/src/SourceSaver.php
+++ b/src/SourceSaver.php
@@ -58,15 +58,20 @@ public function call($sourceEdit, $sourceLocale)
 
             $translations = $this->applySourceEditInTranslations($translations, $sourceEdit);
 
-            $fileContent = <<<'EOT'
+            if (class_exists('Themsaid\Langman\Manager')) {
+                $manager = new \Themsaid\Langman\Manager(new Filesystem, '', [], []);
+                $manager->writeFile($groupFile, $translations);
+            } else {
+                $fileContent = <<<'EOT'
 <?php
 return {{translations}};
 EOT;
 
-            $prettyTranslationsExport = $this->prettyVarExport->call($translations, ['array-align' => true]);
-            $fileContent  = str_replace('{{translations}}', $prettyTranslationsExport, $fileContent);
+                $prettyTranslationsExport = $this->prettyVarExport->call($translations, ['array-align' => true]);
+                $fileContent = str_replace('{{translations}}', $prettyTranslationsExport, $fileContent);
 
-            $this->filesystem->put($groupFile, $fileContent);
+                $this->filesystem->put($groupFile, $fileContent);
+            }
         }
     }
 
diff --git a/src/TranslationSaver.php b/src/TranslationSaver.php
index 4e33ae1..11fb8ee 100644
--- a/src/TranslationSaver.php
+++ b/src/TranslationSaver.php
@@ -69,15 +69,20 @@ private function save($locale, $group, $translations)
 
         $this->filesystem->makeDirectory($dir, 0777, true, true);
 
-        $fileContent = <<<'EOT'
+        if (class_exists('Themsaid\Langman\Manager')) {
+            $manager = new \Themsaid\Langman\Manager(new Filesystem, '', [], []);
+            $manager->writeFile($dir . DIRECTORY_SEPARATOR . $group . '.php', $translations);
+        } else {
+            $fileContent = <<<'EOT'
 <?php
 return {{translations}};
 EOT;
 
-        $prettyTranslationsExport = $this->prettyVarExport->call($translations, ['array-align' => true]);
-        $fileContent = str_replace('{{translations}}', $prettyTranslationsExport, $fileContent);
+            $prettyTranslationsExport = $this->prettyVarExport->call($translations, ['array-align' => true]);
+            $fileContent = str_replace('{{translations}}', $prettyTranslationsExport, $fileContent);
 
-        $this->filesystem->put($dir . DIRECTORY_SEPARATOR . $group . '.php', $fileContent);
+            $this->filesystem->put($dir . DIRECTORY_SEPARATOR . $group . '.php', $fileContent);
+        }
     }
 
     private function localePath($locale)