1 files changed, 6 insertions, 4 deletions
diff --git a/qolab/data/trace.py b/qolab/data/trace.py
index 9682af9..0a16ab2 100644
--- a/qolab/data/trace.py
+++ b/qolab/data/trace.py
@@ -99,14 +99,15 @@ class Trace:
         plt.grid()
     
     def getConfig(self):
-        return( self.config )
+        d ={}
+        d['config'] = self.config.copy()
+        return( d )
 
     def getData(self):
         return( self.values )
 
     def getHeader(self, prefix=''):
-        d ={}
-        d['config'] = self.getConfig()
+        d = self.getConfig()
         return headerFromDictionary(d, prefix='')
 
     def save(self, fname, last_saved_pos=None, skip_headers_if_file_exist=False,  **kwargs):
@@ -152,7 +153,8 @@ class TraceXY(Trace):
         plt.grid()
 
     def getConfig(self):
-        config = self.config.copy()
+        config = {}
+        config['config'] = self.config.copy()
         config['TraceX'] = {}
         config['TraceX'] = self.x.getConfig()
         config['TraceY'] = {}