diff --git a/v1/input/pbconv.c b/v1/input/pbconv.c
index b210376c07088a43282ccca0007ab7d54ddca8f2..2d711aa0b936a329778e55a3ed26fc9553d87ca0 100644
--- a/v1/input/pbconv.c
+++ b/v1/input/pbconv.c
@@ -215,6 +215,7 @@ int rbc_plasma_ratio(
       break;
     case UCBJ:
       // Median parameters from TPC analysis, n=7
+      {
       double A1=0.691911;
       double L1=0.9;
       double A2=0.174026;
@@ -225,6 +226,7 @@ int rbc_plasma_ratio(
         if(!(t[i]>0.0)) r[i]=0.0;
         else r[i]=(A1*t[i] - A2 - A3)*exp(-L1*t[i]) + A2*exp(-L2*t[i]) + A3*exp(-L3*t[i]);
       }
+      }
       break;
 
     default: