diff --git a/src/mcmc_progression.cpp b/src/mcmc_progression.cpp
index a3aa494..ac517d4 100644
--- a/src/mcmc_progression.cpp
+++ b/src/mcmc_progression.cpp
@@ -23,7 +23,7 @@ void usage(std::string filename)
 {
     std::cout << "Usage: " << filename
               << " <temperature> <lattice size> "
-                 "<cycles> <burn-in-time> <output file>\n\n"
+                 "<cycles> <burn-in-time> <output file> <ordered? (1|0)>\n\n"
               << "\t[ -h | --help ]\n";
     exit(-1);
 }
@@ -57,17 +57,11 @@ int main(int argc, char **argv)
             usage(argv[0]);
         }
     }
-    // Check that the number of arguments is at least 6.
-    if (argc < 6) {
+    // Check that the number of arguments is at least 7.
+    if (argc < 7) {
         usage(argv[0]);
     }
 
-    bool ordered = false;
-
-    if (argc == 7) {
-        ordered = true;
-    }
-
     // Timing variables
     double t0, t1;
     t0 = omp_get_wtime();
@@ -77,6 +71,8 @@ int main(int argc, char **argv)
     int L = atoi(argv[2]), cycles = atoi(argv[3]), burn_in_time = atoi(argv[4]);
     std::string outfile = argv[5];
 
+    bool ordered = atoi(argv[6]) == 1 ? true : false;
+
     if (ordered) {
         DEBUG("Hello");
         montecarlo::progression(temp, L, cycles, 1, outfile, burn_in_time);