diff --git a/app/src/main/java/com/wireguard/android/util/ToolsInstaller.java b/app/src/main/java/com/wireguard/android/util/ToolsInstaller.java
index 5b1e1341..fc2897b3 100644
--- a/app/src/main/java/com/wireguard/android/util/ToolsInstaller.java
+++ b/app/src/main/java/com/wireguard/android/util/ToolsInstaller.java
@@ -57,9 +57,10 @@ public final class ToolsInstaller {
         if (path == null)
             return INSTALL_DIRS[0];
         final List<String> paths = Arrays.asList(path.split(":"));
-        for (final File dir : INSTALL_DIRS)
+        for (final File dir : INSTALL_DIRS) {
             if (paths.contains(dir.getPath()) && dir.isDirectory())
                 return dir;
+        }
         return null;
     }
 
diff --git a/app/tools/wireguard b/app/tools/wireguard
index 6977826c..b57461ce 160000
--- a/app/tools/wireguard
+++ b/app/tools/wireguard
@@ -1 +1 @@
-Subproject commit 6977826c2c9840f79dc2ac6b4206a5f393e9dfb4
+Subproject commit b57461ceb01e591525201a9b8db3bf5107e51f8d