diff --git a/src/parse_opts.cc b/src/parse_opts.cc
index 693ca23..e773af7 100644
--- a/src/parse_opts.cc
+++ b/src/parse_opts.cc
@@ -132,9 +132,13 @@ parse_options(int argc, char** argv)
 					TextSimulation sim;
           std::string str;
 
+          std::cout << std::endl << "% ";
 					while(getline(std::cin, str))
-            // Enter main loop
-            TextSimulation::parse_command(sim, str);
+            {
+              // Enter main loop
+              TextSimulation::parse_command(sim, str);
+              std::cout << std::endl << "% ";
+            }
 				} 
 			else 
 				{