diff --git a/run.pl b/run.pl
index 557cba8..bca99f9 100755
--- a/run.pl
+++ b/run.pl
@@ -1,4 +1,6 @@
 #!/usr/bin/env perl
 
-chdir '/app/Hiperthermia';
-require '/app/Hiperthermia/scripts/main.pl';
+BEGIN {
+    chdir '/app/Hiperthermia';
+    require '/app/Hiperthermia/scripts/main.pl';
+};