diff --git a/PeakOTron.py b/PeakOTron.py
index bf9ab2e3fd380f46b436a80c2a5c379c7955bd8a..21951b7bf1b2516ae79153fc13eec1f216c02ec8 100644
--- a/PeakOTron.py
+++ b/PeakOTron.py
@@ -1736,46 +1736,46 @@ class PeakOTron:
 
         if(np.isnan(Q_0)):
             if(self._verbose):
-                print("Q_0 returned nan in prefit. Setting Q_0 to 1 bin"):
-                Q_0 = 1
-                dQ_0 = 0.1
+                print("Q_0 returned nan in prefit. Setting Q_0 to 1 bin")
+            Q_0 = 1
+            dQ_0 = 0.1
 
         if(np.isnan(G)):
             if(self._verbose):
-                print("G returned nan in prefit. Setting G to 1 bin"):
-                G = 1
-                dG = 0.1
+                print("G returned nan in prefit. Setting G to 1 bin")
+            G = 1
+            dG = 0.1
 
         if(np.isnan(mu)):
             if(self._verbose):
-                print("mu returned nan in prefit. Setting mu to 1 p.e."):
-                mu = 1
-                dmu = 0.1
+                print("mu returned nan in prefit. Setting mu to 1 p.e.")
+            mu = 1
+            dmu = 0.1
 
         if(np.isnan(lbda)):
             if(self._verbose):
-                print("lbda returned nan in prefit. Setting lbda to 1e-2."):
-                lbda = 1e-2
-                dlbda = 0.1
+                print("lbda returned nan in prefit. Setting lbda to 1e-2.")
+            lbda = 1e-2
+            dlbda = 0.1
 
 
         if(np.isnan(sigma_0)):
             if(self._verbose):
-                print("sigma_0 returned nan in prefit. Setting sigma_0 to 1 bin."):
-                sigma_0 = 1
-                dsigma_0 = 0.1
+                print("sigma_0 returned nan in prefit. Setting sigma_0 to 1 bin.")
+            sigma_0 = 1
+            dsigma_0 = 0.1
 
         if(np.isnan(sigma_1)):
             if(self._verbose):
-                print("sigma_0 returned nan in prefit. Setting sigma_1 to 1 bin."):
-                sigma_1 = 1
-                dsigma_1 = 0.1
+                print("sigma_1 returned nan in prefit. Setting sigma_1 to 1 bin.")
+            sigma_1 = 1
+            dsigma_1 = 0.1
 
         if(np.isnan(DCR)):
             if(self._verbose):
-                print("DCR returned nan in prefit. Setting DCR to 1e-9 GHz."):
-                DCR = 1e-9
-                dDCR = 1e-2
+                print("DCR returned nan in prefit. Setting DCR to 1e-9 GHz.")
+            DCR = 1e-9
+            dDCR = 1e-2
 
         ########################################################################################################
         ## Store results in the class for fitting/reference.