diff --git a/hist/hist/src/AnalyticalIntegrals.cxx b/hist/hist/src/AnalyticalIntegrals.cxx
index 885023265e0372c8ea2925a63db1d0a22cb4e515..7aa3c3348b287e17a38cfb8fd9f25ca4e8ca1aa8 100644
--- a/hist/hist/src/AnalyticalIntegrals.cxx
+++ b/hist/hist/src/AnalyticalIntegrals.cxx
@@ -51,10 +51,10 @@ Double_t AnalyticalIntegral(TF1 *f, Double_t a, Double_t b)
       double amp   = p[0];
       double mean  = p[1];
       double sigma = p[2];
-      if (formula->TestBit(TFormula::kNormalized) )
+      if (formula->TestBit(TFormula::kNormalized))
          result = amp * (ROOT::Math::gaussian_cdf(xmax, sigma, mean) - ROOT::Math::gaussian_cdf(xmin, sigma, mean));
       else
-         result = amp * sqrt(2*TMath::Pi()) * sigma *
+         result = amp * sqrt(2 * TMath::Pi()) * sigma *
                   (ROOT::Math::gaussian_cdf(xmax, sigma, mean) - ROOT::Math::gaussian_cdf(xmin, sigma, mean)); //
    }
    else if (num == 400)//landau: root::math::landau(x,mpv=0,sigma=1,bool norm=false)