diff --git a/examples/correlation_matrices/sampler.cpp b/examples/correlation_matrices/sampler.cpp
index 85498f74a..662e1d1be 100644
--- a/examples/correlation_matrices/sampler.cpp
+++ b/examples/correlation_matrices/sampler.cpp
@@ -153,7 +153,7 @@ void correlation_matrix_uniform_sampling_MT(const unsigned int n, const unsigned
     EigenvaluesProblems<NT, MT, Eigen::Matrix<NT, Eigen::Dynamic, 1>> solver;
     for(const auto& matrix : randCorMatrices){
     	if(solver.is_correlation_matrix(matrix)){
-        	valid_points++;
+            valid_points++;
     	}
     }
     std::cout << "Number of valid points = " << valid_points << std::endl;