diff --git a/script/scans/SampleSearch.py b/script/scans/SampleSearch.py
index 6e1774a..ad30eea 100644
--- a/script/scans/SampleSearch.py
+++ b/script/scans/SampleSearch.py
@@ -73,7 +73,7 @@ try:
         (offset, normalization, mean_minus_15, sigma) = mathutils.fit_gaussian_offset(ydata, xdata)        
     except:    
         raise Exception ("Invalid x fit on z search -15deg: ", sys.exc_info()[0])    
-    if ((normalization-offset) < offset * 1.20) or (sigma > 0.5):
+    if (normalization) < offset * 1.20) or (sigma > 0.5):
         raise Exception("Invalid x fit on z search -15deg")
     plot_fit(normalization, mean_minus_15, sigma, xdata)    
     print "Found x center at -15deg at ", mean_minus_15