diff --git a/SpectraKeras/SpectraKeras_CNN.py b/SpectraKeras/SpectraKeras_CNN.py
index 77da27b..0a94012 100755
--- a/SpectraKeras/SpectraKeras_CNN.py
+++ b/SpectraKeras/SpectraKeras_CNN.py
@@ -3,7 +3,7 @@
 '''
 **********************************************************
 * SpectraKeras_CNN Classifier and Regressor
-* 20200113a
+* 20200121a
 * Uses: TensorFlow
 * By: Nicola Ferralis <feranick@hotmail.com>
 ***********************************************************
@@ -189,10 +189,6 @@ def main():
 #************************************
 def train(learnFile, testFile, flag):
     dP = Conf()
-    
-    def_mae = 'mae'
-    def_val_mae = 'val_mae'
-    
     import tensorflow as tf
     import tensorflow.keras as keras
     from pkg_resources import parse_version
@@ -215,9 +211,6 @@ def train(learnFile, testFile, flag):
         #         gpus[0],
         #         [tf.config.experimental.VirtualDeviceConfiguration(memory_limit=dP.maxMem)])
         
-        def_acc = 'accuracy'
-        def_val_acc = 'val_accuracy'
-    
     else:
         opts = tf.compat.v1.GPUOptions(per_process_gpu_memory_fraction=1)
         conf = tf.compat.v1.ConfigProto(gpu_options=opts)
@@ -225,11 +218,6 @@ def train(learnFile, testFile, flag):
         
         tf.compat.v1.Session(config=conf)
         
-        def_mae = 'mean_absolute_error'
-        def_val_mae = 'val_mean_absolute_error'
-        def_acc = 'acc'
-        def_val_acc = 'val_acc'
-        
     learnFileRoot = os.path.splitext(learnFile)[0]
     En, A, Cl = readLearnFile(learnFile, dP)
     if testFile != None:
@@ -409,6 +397,7 @@ def train(learnFile, testFile, flag):
     val_loss = np.asarray(log.history['val_loss'])
 
     if dP.regressor:
+        def_mae, def_val_mae = [list(log.history)[i] for i in (1,3)]
         val_mae = np.asarray(log.history[def_val_mae])
         printParam()
         print('\n  ==========================================================')
@@ -432,6 +421,7 @@ def train(learnFile, testFile, flag):
                     predictions[i][0], score[0], score[1]))
             print('\n  ==========================================================\n')
     else:
+        def_acc, def_val_acc = [list(log.history)[i] for i in (1,3)]
         accuracy = np.asarray(log.history[def_acc])
         val_acc = np.asarray(log.history[def_val_acc])
         print("  Number unique classes (training): ", np.unique(Cl).size)
diff --git a/SpectraKeras/SpectraKeras_MLP.py b/SpectraKeras/SpectraKeras_MLP.py
index c785d48..c02b386 100755
--- a/SpectraKeras/SpectraKeras_MLP.py
+++ b/SpectraKeras/SpectraKeras_MLP.py
@@ -3,7 +3,7 @@
 '''
 **********************************************************
 * SpectraKeras_MLP Classifier and Regressor
-* 20200113a
+* 20200121a
 * Uses: TensorFlow
 * By: Nicola Ferralis <feranick@hotmail.com>
 ***********************************************************
@@ -165,10 +165,6 @@ def main():
 #************************************
 def train(learnFile, testFile):
     dP = Conf()
-    
-    def_mae = 'mae'
-    def_val_mae = 'val_mae'
-    
     import tensorflow as tf
     import tensorflow.keras as keras
     from pkg_resources import parse_version
@@ -191,20 +187,12 @@ def train(learnFile, testFile):
         #         gpus[0],
         #         [tf.config.experimental.VirtualDeviceConfiguration(memory_limit=dP.maxMem)])
         
-        def_acc = 'accuracy'
-        def_val_acc = 'val_accuracy'
-    
     else:
         opts = tf.compat.v1.GPUOptions(per_process_gpu_memory_fraction=1)
         conf = tf.compat.v1.ConfigProto(gpu_options=opts)
         conf.gpu_options.allow_growth = True
     
         tf.compat.v1.Session(config=conf)
-        
-        def_mae = 'mean_absolute_error'
-        def_val_mae = 'val_mean_absolute_error'
-        def_acc = 'acc'
-        def_val_acc = 'val_acc'
 
     learnFileRoot = os.path.splitext(learnFile)[0]
 
@@ -345,6 +333,7 @@ def train(learnFile, testFile):
     val_loss = np.asarray(log.history['val_loss'])
 
     if dP.regressor:
+        def_mae, def_val_mae = [list(log.history)[i] for i in (1,3)]
         val_mae = np.asarray(log.history[def_val_mae])
         printParam()
         print('\n  ==========================================================')
@@ -367,6 +356,7 @@ def train(learnFile, testFile):
                     predictions[i][0], score[0], score[1]))
             print('\n  ==========================================================\n')
     else:
+        def_acc, def_val_acc = [list(log.history)[i] for i in (1,3)]
         accuracy = np.asarray(log.history[def_acc])
         val_acc = np.asarray(log.history[def_val_acc])
         print("  Number unique classes (training): ", np.unique(Cl).size)
diff --git a/SpectraKeras/setup-gpu.py b/SpectraKeras/setup-gpu.py
index 819a7f8..0625d98 100644
--- a/SpectraKeras/setup-gpu.py
+++ b/SpectraKeras/setup-gpu.py
@@ -7,7 +7,7 @@
     entry_points={'console_scripts' : ['SpectraKeras_MLP=SpectraKeras_MLP:SpectraKeras_MLP',
         'SpectraKeras_CNN=SpectraKeras_CNN:SpectraKeras_CNN']},
     py_modules=['SpectraKeras_MLP','SpectraKeras_CNN','libSpectraKeras'],
-    version='20200113a',
+    version='20200121a',
     description='Machine learning for spectral data',
     long_description= """ Machine learning for spectral data """,
     author='Nicola Ferralis',
diff --git a/SpectraKeras/setup.py b/SpectraKeras/setup.py
index fba4ac4..3001ec5 100644
--- a/SpectraKeras/setup.py
+++ b/SpectraKeras/setup.py
@@ -7,7 +7,7 @@
     entry_points={'console_scripts' : ['SpectraKeras_MLP=SpectraKeras_MLP:SpectraKeras_MLP',
         'SpectraKeras_CNN=SpectraKeras_CNN:SpectraKeras_CNN']},
     py_modules=['SpectraKeras_MLP','SpectraKeras_CNN','libSpectraKeras'],
-    version='20200113a',
+    version='20200121a',
     description='Machine learning for spectral data',
     long_description= """ Machine learning for spectral data """,
     author='Nicola Ferralis',