diff --git a/few/utils/modeselector.py b/few/utils/modeselector.py
index 085401a0..de0a864b 100644
--- a/few/utils/modeselector.py
+++ b/few/utils/modeselector.py
@@ -221,7 +221,7 @@ def __call__(self, teuk_modes: np.ndarray, ylms: np.ndarray, modeinds: list[np.n
             M = fund_freq_args[0]
             Msec = M * MTSUN_SI
 
-            a_fr, p_fr, e_fr, x_fr = fund_freq_args[1:]
+            a_fr, p_fr, e_fr, x_fr = fund_freq_args[1:-1]
 
             if self.use_gpu:  # fundamental frequencies only defined on CPU
                 p_fr = p_fr.get()