diff --git a/module/jni/Application.mk b/module/jni/Application.mk
index 40aafc6..1db1d73 100644
--- a/module/jni/Application.mk
+++ b/module/jni/Application.mk
@@ -1,4 +1,4 @@
 APP_ABI      := armeabi-v7a arm64-v8a x86 x86_64
-APP_CPPFLAGS := -std=c++14 -fno-exceptions -fno-rtti -fvisibility=hidden -fvisibility-inlines-hidden
+APP_CPPFLAGS := -std=c++20 -fno-exceptions -fno-rtti -fvisibility=hidden -fvisibility-inlines-hidden
 APP_STL      := none
 APP_PLATFORM := android-31
diff --git a/module/jni/include/mount_parser.hpp b/module/jni/include/mount_parser.hpp
index 857f5e5..8e12bdc 100644
--- a/module/jni/include/mount_parser.hpp
+++ b/module/jni/include/mount_parser.hpp
@@ -1,3 +1,4 @@
+#pragma once
 #include <string>
 #include <vector>
 #include <unordered_map>
diff --git a/module/jni/include/mountinfo_parser.hpp b/module/jni/include/mountinfo_parser.hpp
index 1dac18b..170e387 100644
--- a/module/jni/include/mountinfo_parser.hpp
+++ b/module/jni/include/mountinfo_parser.hpp
@@ -1,3 +1,4 @@
+#pragma once
 #include <string>
 #include <vector>
 #include <unordered_map>