diff --git a/deerlab/fitresult.py b/deerlab/fitresult.py
index 27d33aa9..c6231797 100644
--- a/deerlab/fitresult.py
+++ b/deerlab/fitresult.py
@@ -367,7 +367,7 @@ def plot(self,axis=None,xlabel=None,gof=False,fontsize=13):
                         bins = np.linspace(-4,4,300)
                         N0 = dd_gauss(bins,0,1)
                         axs[n].get_yaxis().set_visible(False)
-                        axs[n].fill(bins,N0,'k',alpha=0.4, label='$\mathcal{N}(0,1)$')
+                        axs[n].fill(bins,N0,'k',alpha=0.4, label=r'$\mathcal{N}(0,1)$')
                         axs[n].set_xlabel('Normalized residuals',size=fontsize)       
                         axs[n].set_yticks([])
                         axs[n].spines.right.set_visible(False)