diff --git a/tools/msi2lmp/src/msi2lmp.c b/tools/msi2lmp/src/msi2lmp.c
index 4e519855f3..87cffb4e6e 100644
--- a/tools/msi2lmp/src/msi2lmp.c
+++ b/tools/msi2lmp/src/msi2lmp.c
@@ -295,12 +295,14 @@ int main (int argc, char *argv[])
   }
 
   /* set defaults, if nothing else was given */
-  if (frc_dir_name == NULL)
+  if (frc_dir_name == NULL) {
 #if (_WIN32)
     frc_dir_name = "..\\frc_files";
 #else
-  frc_dir_name = "../frc_files";
+    frc_dir_name = "../frc_files";
 #endif
+  }
+
   if (frc_file_name == NULL)
     frc_file_name = "cvff.frc";