diff --git a/utilsv2/nordic.py b/utilsv2/nordic.py
index 82a733a..c1c66f6 100644
--- a/utilsv2/nordic.py
+++ b/utilsv2/nordic.py
@@ -191,5 +191,5 @@ def parse_mag(_text: str) -> dict[str, Mag]:
     for i in range(0, 3):
         mag = _text[8 * i : 8 * (i + 1) - 1]  # split every 8 chars
         if not utils.is_empty(mag):
-            mags[mag[3]] = {"Magnitude": float(mag[:4]), "Agency": mag[4:]}
+            mags[mag[4]] = {"Magnitude": float(mag[:4]), "Agency": mag[5:]}
     return mags