diff --git a/lab10/jacobi/jacobi_mpi.cpp b/lab10/jacobi/jacobi_mpi.cpp
index 30e5401..7ddd6b7 100644
--- a/lab10/jacobi/jacobi_mpi.cpp
+++ b/lab10/jacobi/jacobi_mpi.cpp
@@ -150,7 +150,7 @@ Jacobi::Result JacobiMPI::run(const Matrix &init, double epsilon,
       }
     }
 
-    double globalDist;
+    double globalDist = 0;
     MPI_Allreduce(&dist, &globalDist, 1, MPI_DOUBLE, MPI_MAX, MPI_COMM_WORLD);
     dist = globalDist;