diff --git a/tsg_io/read_file_woa.m b/tsg_io/read_file_woa.m
index b8ce62cd56cf873d579f28ddbb0f96022e50acd1..87e8e34ab7074ff59469ebf302d9865b42064b32 100644
--- a/tsg_io/read_file_woa.m
+++ b/tsg_io/read_file_woa.m
@@ -104,6 +104,9 @@ end
     % -------------
     close(wb);
     
+    % restore tex interpreter
+    set(0,'DefaulttextInterpreter','tex')
+    
     % close netcdf file
     % -----------------
     close(nc);