diff --git a/wetb/signal/fit/__init__.py b/wetb/signal/fit/__init__.py
index 2578ab2dde2c387e6801224980c9c13848c1b548..4e0ddd1f8dc62eccddc5845fe9e21e9f38cdc892 100644
--- a/wetb/signal/fit/__init__.py
+++ b/wetb/signal/fit/__init__.py
@@ -4,5 +4,6 @@ d = dir()
 from wetb.signal.fit._linear_fit import *
 from wetb.signal.fit._bin_fit import *
 from wetb.signal.fit._fourier_fit import *
+from wetb.signal.fit._spline_fit import *
 
 __all__ = sorted([m for m in set(dir()) - set(d)])