diff --git a/impermanence.pl b/impermanence.pl
index e8d54f9..3e434cb 100755
--- a/impermanence.pl
+++ b/impermanence.pl
@@ -30,6 +30,7 @@ sub saywarning
   my $msg = shift;
   say STDERR "WARNING: $msg";
   syslog( LOG_WARNING, "$msg" );
+  return;
 }
 
 # display a message only if verbose flag is used
@@ -38,6 +39,7 @@ sub saydebug
   my $msg = shift;
   say STDERR "DEBUG: $msg" if $verbose;
   syslog( LOG_INFO, "$msg" );
+  return;
 }
 
 # display a message before exiting with status 2
@@ -175,6 +177,7 @@ sub mount_mfs
   } else {
     saydebug("mount_mfs done on $impermanence_home");
   }
+  return;
 }
 
 # Linux: mount the destination with a ramdisk only if not currently mounted
@@ -192,6 +195,7 @@ sub mount_tmpfs
   } else {
     saydebug("tmpfs done on $impermanence_home");
   }
+  return;
 }
 
 # create the symbolic links listed in the yml file into the ramdisk destination
@@ -232,6 +236,7 @@ sub create_skeleton
     saydebug("Create directory $dir");
     make_path( $dir, { chmod => 0750, owner => $user } );
   }
+  return;
 }
 
 sub call_chezmoi
@@ -243,6 +248,7 @@ sub call_chezmoi
   } else {
     saydebug("chezmoi finished successfully");
   }
+  return;
 }
 
 sub get_uid
@@ -256,6 +262,7 @@ sub get_uid
   } else {
     trap_error("ERROR: userinfo did not return uid");
   }
+  return;
 }
 
 sub main
@@ -362,7 +369,7 @@ sub main
       populate_ramdisk( $data, $persist_home, $impermanence_home, $opts{u} );
     }
   }
-
+  return;
 }
 
 openlog( "impermanence", 'ndelay', LOG_DAEMON );