diff --git a/dangerzone/conversion/doc_to_pixels.py b/dangerzone/conversion/doc_to_pixels.py
index 10e73ee..fd50f1c 100644
--- a/dangerzone/conversion/doc_to_pixels.py
+++ b/dangerzone/conversion/doc_to_pixels.py
@@ -78,10 +78,6 @@ class DocumentToPixels(DangerzoneConverter):
                 "type": "libreoffice",
             },
             # .hwp
-            "application/vnd.hancom.hwp": {
-                "type": "libreoffice",
-                "libreoffice_ext": "h2orestart.oxt",
-            },
             "application/haansofthwp": {
                 "type": "libreoffice",
                 "libreoffice_ext": "h2orestart.oxt",
@@ -91,16 +87,9 @@ class DocumentToPixels(DangerzoneConverter):
                 "libreoffice_ext": "h2orestart.oxt",
             },
             # .hwpx
-            "application/vnd.hancom.hwpx": {
-                "type": "libreoffice",
-                "libreoffice_ext": "h2orestart.oxt",
-            },
-            "application/haansofthwpx": {
-                "type": "libreoffice",
-                "libreoffice_ext": "h2orestart.oxt",
-            },
             "application/hwp+zip": {
                 "type": "libreoffice",
+                "libreoffice_ext": "h2orestart.oxt",
             },
             # At least .odt, .docx, .odg, .odp, .ods, and .pptx
             "application/zip": {
@@ -136,6 +125,13 @@ class DocumentToPixels(DangerzoneConverter):
         if mime_type not in conversions:
             raise ValueError("The document format is not supported")
 
+        # Temporary fix for the HWPX format
+        if mime_type == "application/zip":
+            file_type = magic.from_file("/tmp/input_file")
+            hwpx_file_type = 'Zip data (MIME type "application/hwp+zip"?)'
+            if file_type == hwpx_file_type:
+                mime_type = "application/hwp+zip"
+
         # Get file size (in MiB)
         size = os.path.getsize("/tmp/input_file") / 1024**2