diff --git a/src/sccala/interplib/epoch_interp.py b/src/sccala/interplib/epoch_interp.py
index 8ec174d..6b58960 100644
--- a/src/sccala/interplib/epoch_interp.py
+++ b/src/sccala/interplib/epoch_interp.py
@@ -12,7 +12,10 @@
 )
 from sccala.utillib.aux import convert_to_flux, convert_to_mag
 
-matplotlib.use("TkAgg")
+try:
+    matplotlib.use("TkAgg")
+except ImportError:
+    pass
 
 
 class EpochDataSet: