diff --git a/apc_arginfo.h b/apc_arginfo.h
new file mode 100644
index 00000000..b197456e
--- /dev/null
+++ b/apc_arginfo.h
@@ -0,0 +1,5 @@
+#if PHP_VERSION_ID < 80000
+# include "php_apc_legacy_arginfo.h"
+#else
+# error Not supported on PHP >= 8.0
+#endif
diff --git a/config.m4 b/config.m4
index 70af8137..483f9743 100644
--- a/config.m4
+++ b/config.m4
@@ -243,7 +243,7 @@ if test "$PHP_APCU" != "no"; then
   PHP_SUBST(APCU_SHARED_LIBADD)
   PHP_SUBST(APCU_CFLAGS)
   PHP_SUBST(PHP_LDFLAGS)
-  PHP_INSTALL_HEADERS(ext/apcu, [php_apc.h apc.h apc_api.h apc_cache.h apc_cache_api.h apc_globals.h apc_iterator.h apc_lock.h apc_mutex.h apc_lock_api.h apc_sma.h apc_sma_api.h apc_serializer.h apc_stack.h])
+  PHP_INSTALL_HEADERS(ext/apcu, [php_apc.h apc.h apc_api.h apc_cache.h apc_cache_api.h apc_globals.h apc_iterator.h apc_lock.h apc_mutex.h apc_lock_api.h apc_sma.h apc_sma_api.h apc_serializer.h apc_stack.h apc_arginfo.h php_apc_legacy_arginfo.h])
   AC_DEFINE(HAVE_APCU, 1, [ ])
 fi
 
diff --git a/config.w32 b/config.w32
index e1328cb8..dcea900d 100644
--- a/config.w32
+++ b/config.w32
@@ -24,7 +24,7 @@ if(PHP_APCU != 'no')
 	AC_DEFINE('APC_SRWLOCK_KERNEL', 1);
 	AC_DEFINE('HAVE_APCU', 1);
 	ADD_FLAG('CFLAGS_APCU', '/D WIN32_ONLY_COMPILER=1 /DAPC_SRWLOCK_KERNEL=1');
-	PHP_INSTALL_HEADERS("ext/apcu", "php_apc.h apc.h apc_api.h apc_cache.h apc_cache_api.h apc_globals.h apc_iterator.h apc_lock.h apc_mutex.h apc_lock_api.h apc_sma.h apc_sma_api.h apc_serializer.h apc_stack.h apc_windows_srwlock_kernel.h");
+	PHP_INSTALL_HEADERS("ext/apcu", "php_apc.h apc.h apc_api.h apc_cache.h apc_cache_api.h apc_globals.h apc_iterator.h apc_lock.h apc_mutex.h apc_lock_api.h apc_sma.h apc_sma_api.h apc_serializer.h apc_stack.h apc_windows_srwlock_kernel.h apc_arginfo.h php_apc_legacy_arginfo.h");
 
 	EXTENSION('apcu', apc_sources, PHP_APCU_SHARED, "/DZEND_ENABLE_STATIC_TSRMLS_CACHE=1");
 }