diff --git a/src/asammdf/blocks/mdf_v4.py b/src/asammdf/blocks/mdf_v4.py
index 337fddb8a..dfbbea2b2 100644
--- a/src/asammdf/blocks/mdf_v4.py
+++ b/src/asammdf/blocks/mdf_v4.py
@@ -7509,6 +7509,8 @@ def _get_scalar(
                     v4c.DATA_TYPE_BYTEARRAY,
                     v4c.DATA_TYPE_UNSIGNED_INTEL,
                     v4c.DATA_TYPE_UNSIGNED_MOTOROLA,
+                    v4c.DATA_TYPE_SIGNED_INTEL,
+                    v4c.DATA_TYPE_SIGNED_MOTOROLA,
                     v4c.DATA_TYPE_MIME_SAMPLE,
                     v4c.DATA_TYPE_MIME_STREAM,
                 ):
@@ -7533,6 +7535,8 @@ def _get_scalar(
                     v4c.DATA_TYPE_BYTEARRAY,
                     v4c.DATA_TYPE_UNSIGNED_INTEL,
                     v4c.DATA_TYPE_UNSIGNED_MOTOROLA,
+                    v4c.DATA_TYPE_SIGNED_INTEL,
+                    v4c.DATA_TYPE_SIGNED_MOTOROLA,
                     v4c.DATA_TYPE_MIME_SAMPLE,
                     v4c.DATA_TYPE_MIME_STREAM,
                 ):