diff --git a/src/wrapper/vst3.rs b/src/wrapper/vst3.rs
index 3edc9833..ee3aa03f 100644
--- a/src/wrapper/vst3.rs
+++ b/src/wrapper/vst3.rs
@@ -42,6 +42,9 @@ use vst3_sys::vst::{
 use vst3_sys::VST3;
 use widestring::U16CStr;
 
+#[macro_use]
+mod util;
+
 use crate::buffer::Buffer;
 use crate::context::{EventLoop, GuiContext, MainThreadExecutor, OsEventLoop, ProcessContext};
 use crate::param::internals::ParamPtr;
@@ -83,23 +86,6 @@ lazy_static! {
     static ref BYPASS_PARAM_HASH: u32 = hash_param_id(BYPASS_PARAM_ID);
 }
 
-/// Early exit out of a VST3 function when one of the passed pointers is null
-macro_rules! check_null_ptr {
-    ($ptr:expr $(, $ptrs:expr)* $(, )?) => {
-        check_null_ptr_msg!("Null pointer passed to function", $ptr $(, $ptrs)*)
-    };
-}
-
-/// The same as [check_null_ptr!], but with a custom message.
-macro_rules! check_null_ptr_msg {
-    ($msg:expr, $ptr:expr $(, $ptrs:expr)* $(, )?) => {
-        if $ptr.is_null() $(|| $ptrs.is_null())* {
-            nih_debug_assert_failure!($msg);
-            return kInvalidArgument;
-        }
-    };
-}
-
 /// The actual wrapper bits. We need this as an `Arc<T>` so we can safely use our event loop API.
 /// Since we can't combine that with VST3's interior reference counting this just has to be moved to
 /// its own struct.
diff --git a/src/wrapper/vst3/util.rs b/src/wrapper/vst3/util.rs
new file mode 100644
index 00000000..a4156e70
--- /dev/null
+++ b/src/wrapper/vst3/util.rs
@@ -0,0 +1,32 @@
+// nih-plug: plugins, but rewritten in Rust
+// Copyright (C) 2022 Robbert van der Helm
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+/// Early exit out of a VST3 function when one of the passed pointers is null
+macro_rules! check_null_ptr {
+    ($ptr:expr $(, $ptrs:expr)* $(, )?) => {
+        check_null_ptr_msg!("Null pointer passed to function", $ptr $(, $ptrs)*)
+    };
+}
+
+/// The same as [check_null_ptr!], but with a custom message.
+macro_rules! check_null_ptr_msg {
+    ($msg:expr, $ptr:expr $(, $ptrs:expr)* $(, )?) => {
+        if $ptr.is_null() $(|| $ptrs.is_null())* {
+            nih_debug_assert_failure!($msg);
+            return kInvalidArgument;
+        }
+    };
+}