diff --git a/esbo_etc/classes/target/FileTarget.py b/esbo_etc/classes/target/FileTarget.py
index 8819529..f1b84c3 100644
--- a/esbo_etc/classes/target/FileTarget.py
+++ b/esbo_etc/classes/target/FileTarget.py
@@ -26,7 +26,10 @@ class FileTarget(ATarget):
             Wavelengths used for binning
         """
         # Create spectral quantity from file
-        sfd = SpectralQty.fromFile(file, u.nm, u.W / (u.m ** 2 * u.nm)).rebin(wl_bins)
+        try:
+            sfd = SpectralQty.fromFile(file, u.nm, u.W / (u.m ** 2 * u.nm)).rebin(wl_bins)
+        except:
+            sfd = SpectralQty.fromFile(file, u.nm, u.W / (u.m ** 2 * u.nm * u.sr)).rebin(wl_bins)
         # Initialize the super class
         super().__init__(sfd, wl_bins)