diff --git a/src/xclim/sdba/base.py b/src/xclim/sdba/base.py
index 0c2d3f626..4baa9edf0 100644
--- a/src/xclim/sdba/base.py
+++ b/src/xclim/sdba/base.py
@@ -311,6 +311,8 @@ def get_index(
                 # the first season is shifted by 1 month the but the middle of the season is shifted in the other direction
                 # by half a month so -(1/12-1/24)*4 = -1/6
                 i = ind.dayofyear / length_year * 4 - 1 / 6
+            elif self.prop == "dayofyear":
+                i = ind.dayofyear
             else:
                 raise ValueError(
                     f"Interpolation is not supported for {self.dim}.{self.prop}."