diff --git a/src/ntfsdump/models/ImageFile.py b/src/ntfsdump/models/ImageFile.py
index a23f5c7..9c0ea5b 100644
--- a/src/ntfsdump/models/ImageFile.py
+++ b/src/ntfsdump/models/ImageFile.py
@@ -80,7 +80,7 @@ def __analyze_partitions(self) -> List[NtfsVolume]:
             vhdi_file = pyvhdi.file()
             vhdi_file.open(str(self.path))
             img_info = Img_Info(vhdi_file)
-        elif self.file_type == ['vmdk', 'VMDK']:
+        elif self.file_type in ['vmdk', 'VMDK']:
             self.logger.log(f"[analyze] VMDK Format Image", 'system')
             vmdk_handle = pyvmdk.handle()
             vmdk_handle.open(str(self.path))