diff --git a/eth_abi/decoding.py b/eth_abi/decoding.py
index bc7a827b1e..8205efe875 100644
--- a/eth_abi/decoding.py
+++ b/eth_abi/decoding.py
@@ -386,10 +386,17 @@ def read_data_from_stream(self, stream):
         data = stream.read(self.data_byte_size)
 
         if len(data) != self.data_byte_size:
-            raise InsufficientDataBytes(
-                f"Tried to read {self.data_byte_size} bytes, "
-                f"only got {len(data)} bytes."
-            )
+            if self.strict:
+                raise InsufficientDataBytes(
+                    f"Tried to read {self.data_byte_size} bytes, "
+                    f"only got {len(data)} bytes."
+                )
+
+            # Pad the value.
+            data_stripped = data.lstrip(b"\x00")
+            num_zeroes = max(0, 32 - len(data_stripped))
+            zeroes = b"\x00" * num_zeroes
+            data = zeroes + data_stripped
 
         return data
 
diff --git a/eth_abi/registry.py b/eth_abi/registry.py
index a145c1f44a..d88ee55a3b 100644
--- a/eth_abi/registry.py
+++ b/eth_abi/registry.py
@@ -474,13 +474,7 @@ def has_encoder(self, type_str: abi.TypeStr) -> bool:
 
     def _get_decoder_uncached(self, type_str, strict=True):
         decoder = self._get_registration(self._decoders, type_str)
-
-        if hasattr(decoder, "is_dynamic") and decoder.is_dynamic:
-            # Set a transient flag each time a call is made to ``get_decoder()``.
-            # Only dynamic decoders should be allowed these looser constraints. All
-            # other decoders should keep the default value of ``True``.
-            decoder.strict = strict
-
+        decoder.strict = strict
         return decoder
 
     def copy(self):