--- a/libs/vst3/pluginterfaces/base/funknown.cpp
+++ b/libs/vst3/pluginterfaces/base/funknown.cpp
@@ -48,9 +48,11 @@
 #if defined (_LIBCPP_VERSION)
 #define SMTG_USE_ATOMIC 1
 #else
+#ifndef __ANDROID__
 #include <ext/atomicity.h>
 #endif
 #endif
+#endif
 /* UUID */
 #include <string>
 #include <boost/uuid/uuid.hpp>
@@ -87,7 +89,7 @@
 //------------------------------------------------------------------------
 namespace FUnknownPrivate {
 //------------------------------------------------------------------------
-int32 PLUGIN_API atomicAdd (int32& var, int32 d)
+int32 PLUGIN_API atomicAdd (_Steinberg_int32_atomic_t& var, int32 d)
 {
 #if SMTG_USE_ATOMIC
 	return atomic_fetch_add (reinterpret_cast<std::atomic_int_least32_t*> (&var), d) +d;
@@ -96,7 +98,11 @@
 #elif SMTG_OS_MACOS
 	return OSAtomicAdd32Barrier (d, (int32_t*)&var);
 #elif SMTG_OS_LINUX
+#ifndef __ANDROID__
 	__gnu_cxx::__atomic_add (&var, d);
+#else
+	atomic_fetch_add (&var, d);
+#endif
 	return var;
 #else
 #warning implement me!
--- a/libs/vst3/pluginterfaces/base/funknown.h
+++ b/libs/vst3/pluginterfaces/base/funknown.h
@@ -21,6 +21,10 @@
 #include "pluginterfaces/base/smartpointer.h"
 #include <string.h>
 
+#ifdef __ANDROID__
+#include <atomic>
+#endif
+
 //------------------------------------------------------------------------
 /*! \defgroup pluginBase Basic Interfaces
 */
@@ -83,13 +87,18 @@
 //  FUnknown implementation macros
 //------------------------------------------------------------------------
 
+#ifdef __ANDROID__
+typedef std::atomic<::Steinberg::int32> _Steinberg_int32_atomic_t;
+#else
+typedef ::Steinberg::int32 _Steinberg_int32_atomic_t;
+#endif
 #define DECLARE_FUNKNOWN_METHODS                                                                      \
 public:	                                                                                              \
 	virtual ::Steinberg::tresult PLUGIN_API queryInterface (const ::Steinberg::TUID _iid, void** obj) SMTG_OVERRIDE; \
 	virtual ::Steinberg::uint32 PLUGIN_API addRef () SMTG_OVERRIDE;                                   \
 	virtual ::Steinberg::uint32 PLUGIN_API release () SMTG_OVERRIDE;                                  \
 protected :                                                                                           \
-	::Steinberg::int32 __funknownRefCount;                                                            \
+	_Steinberg_int32_atomic_t __funknownRefCount;                                                            \
 public:
 
 //------------------------------------------------------------------------
@@ -116,7 +125,11 @@
 }
 
 //------------------------------------------------------------------------
+#ifndef __ANDROID__
 #define FUNKNOWN_CTOR	{ __funknownRefCount = 1; }
+#else
+#define FUNKNOWN_CTOR	{ __funknownRefCount = { 1 }; }
+#endif
 #define FUNKNOWN_DTOR
 
 //------------------------------------------------------------------------