diff --git a/src/aevol_modify.cpp b/src/aevol_modify.cpp
index 4890f25404ca3b1b1db3cf7636730611f704b2e5..ad3745ee495a0e69e2e235d48a0372c7fd877d75 100644
--- a/src/aevol_modify.cpp
+++ b/src/aevol_modify.cpp
@@ -32,6 +32,7 @@
 #include "MutationParams.h"
 #include "ae_enums.h"
 #include "legacy/population/Individual.h"
+
 const char* DEFAULT_PARAM_FILE_NAME = "param.in";
 
 // ============================================================================
@@ -345,7 +346,7 @@ int main(int argc, char* argv[]) {
 
       std::ofstream pop_changes;
       pop_changes.open(population_changes_path, std::ofstream::trunc);
-      if(!pop_changes.is_open()) {
+      if (!pop_changes.is_open()) {
         std::ostringstream error_msg("Couldn't open file '");
         error_msg << population_changes_path;
         error_msg << "'.";