diff --git a/lib/Controller/WopiController.php b/lib/Controller/WopiController.php
index bfca2f5cd8..9139240227 100644
--- a/lib/Controller/WopiController.php
+++ b/lib/Controller/WopiController.php
@@ -485,20 +485,20 @@ public function putFile($fileId,
 
 			$content = fopen('php://input', 'rb');
 
+			$freespace = $file->getParent()->getFreeSpace();
+
 			// Get expected FileSize after writing
-			$storage = \OC_Helper::getStorageInfo($path);
 			fseek($content, 0, SEEK_END);
-			$finalSize = ftell($content) + $file->getSize();
+			$finalSize = ftell($content);
 			rewind($content);
 
 			try {
-				if ($finalSize <= $storage['free']) {
-					$this->wrappedFilesystemOperation($wopi, function () use ($file, $content) {
-						return $file->putContent($content);
-					});
-				} else {
+				if ($finalSize > $freespace) {
 					throw new \Exception('Not enough storage');
 				}
+				$this->wrappedFilesystemOperation($wopi, function () use ($file, $content) {
+					return $file->putContent($content);
+				});
 			} catch (LockedException $e) {
 				$this->logger->error($e->getMessage(), ['exception' => $e]);
 				return new JSONResponse(['message' => 'File locked'], Http::STATUS_INTERNAL_SERVER_ERROR);
diff --git a/psalm.xml b/psalm.xml
index e9158fd2e7..df3d8e5d85 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -23,11 +23,6 @@
 		</ignoreFiles>
 	</extraFiles>
 	<issueHandlers>
-		<UndefinedMethod>
-			<errorLevel type="suppress">
-				<referencedMethod name="OC_Helper::getstorageinfo" />
-			</errorLevel>
-		</UndefinedMethod>
 		<UndefinedMagicMethod>
 			<errorLevel type="suppress">
 				<referencedMethod name="/Db\\.*::.*/" />