diff --git a/presets/mainnet/eip7594.yaml b/presets/mainnet/eip7594.yaml
index c5bc54e525..6bddce11c8 100644
--- a/presets/mainnet/eip7594.yaml
+++ b/presets/mainnet/eip7594.yaml
@@ -4,3 +4,5 @@
 # ---------------------------------------------------------------
 # `uint64(2**6)` (= 64)
 FIELD_ELEMENTS_PER_CELL: 64
+# `uint64(2 * 4096)` (= 8192)
+FIELD_ELEMENTS_PER_EXT_BLOB: 8192
diff --git a/presets/minimal/eip7594.yaml b/presets/minimal/eip7594.yaml
index 0435332859..0abcad3b27 100644
--- a/presets/minimal/eip7594.yaml
+++ b/presets/minimal/eip7594.yaml
@@ -4,3 +4,5 @@
 # ---------------------------------------------------------------
 # `uint64(2**6)` (= 64)
 FIELD_ELEMENTS_PER_CELL: 64
+# `uint64(2 * 4096)` (= 8192)
+FIELD_ELEMENTS_PER_EXT_BLOB: 8192
diff --git a/pysetup/spec_builders/eip7594.py b/pysetup/spec_builders/eip7594.py
index 606ce895e7..6f145affb4 100644
--- a/pysetup/spec_builders/eip7594.py
+++ b/pysetup/spec_builders/eip7594.py
@@ -17,4 +17,5 @@ def imports(cls, preset_name: str):
     def hardcoded_custom_type_dep_constants(cls, spec_object) -> Dict[str, str]:
         return {
             'FIELD_ELEMENTS_PER_CELL': spec_object.preset_vars['FIELD_ELEMENTS_PER_CELL'].value,
+            'FIELD_ELEMENTS_PER_EXT_BLOB': spec_object.preset_vars['FIELD_ELEMENTS_PER_EXT_BLOB'].value,
         }
diff --git a/specs/_features/eip7594/polynomial-commitments-sampling.md b/specs/_features/eip7594/polynomial-commitments-sampling.md
index 0a90443e9c..7fe59c3b64 100644
--- a/specs/_features/eip7594/polynomial-commitments-sampling.md
+++ b/specs/_features/eip7594/polynomial-commitments-sampling.md
@@ -62,7 +62,7 @@ Public functions MUST accept raw bytes as input and perform the required cryptog
 
 | Name | SSZ equivalent | Description |
 | - | - | - |
-| `PolynomialCoeff` | `List[BLSFieldElement, 2 * FIELD_ELEMENTS_PER_BLOB]` | A polynomial in coefficient form |
+| `PolynomialCoeff` | `List[BLSFieldElement, FIELD_ELEMENTS_PER_EXT_BLOB]` | A polynomial in coefficient form |
 | `Cell` | `Vector[BLSFieldElement, FIELD_ELEMENTS_PER_CELL]` | The unit of blob data that can come with their own KZG proofs |
 | `CellID` | `uint64` | Cell identifier |