diff --git a/docs/source/theory/intro.rst b/docs/source/theory/intro.rst
index 6e37d3280..7ed214fd4 100644
--- a/docs/source/theory/intro.rst
+++ b/docs/source/theory/intro.rst
@@ -180,6 +180,12 @@ normalization, the following are available in ``yadism``:
       y_{+} &= 1.0 \\
       y_{L} &= \frac{y^2}{2 (y^2/2 + (1-y) - (M_{h} x y/ Q)^2)}
 
+- ``XSFPFCC`` for the FPF projection:
+
+   .. math::
+
+      N = \frac{G_F^2}{8 \pi x ( 1 + Q^2 / M_W^2 )^2}
+
 
 Heavyness
 ---------
diff --git a/src/yadism/esf/exs.py b/src/yadism/esf/exs.py
index d48a9d33b..081be269d 100644
--- a/src/yadism/esf/exs.py
+++ b/src/yadism/esf/exs.py
@@ -67,6 +67,10 @@ def xs_coeffs(kind, y, x=None, Q2=None, params=None):
         ym = 0
         yp = 1.0
         yL = y**2 / (2 * (y**2 / 2 + (1 - y) - (mn * x * y) ** 2 / Q2))
+    elif kind == "XSFPFCC":
+        INV_GEV_TO_PB = GEV_CM2_CONV / 100.0 # Pb
+        norm = (INV_GEV_TO_PB * params["GF"] ** 2) / (4.0 * np.pi)
+        norm *= 1.0 / (2.0 * x * (1.0 + Q2 / params["M2W"])**2)
     else:
         mn = np.sqrt(params["M2target"])
         m2w = params["M2W"]
diff --git a/tests/yadism/esf/test_exs.py b/tests/yadism/esf/test_exs.py
index cb00081d3..e3faac0c8 100644
--- a/tests/yadism/esf/test_exs.py
+++ b/tests/yadism/esf/test_exs.py
@@ -51,6 +51,15 @@ def test_xs_coeffs():
     assert fw[0] == 1.0
     assert fw[2] == 0.0
 
+    xsfpfcc = xs_coeffs(
+        "XSFPFCC",
+        x=0.5,
+        Q2=1.0,
+        y=1.0,
+        params=dict(projectilePID=1, M2target=0.0, M2W=1.0, GF=1.0),
+    )
+    assert xsfpfcc[0] == 3.893793e8 / (32.0 * 0.5 * np.pi)
+
     nutev = xs_coeffs(
         "XSNUTEVCC",
         x=0.5,