diff --git a/CHANGELOG.md b/CHANGELOG.md
index 165bbf6d..102fed67 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -52,6 +52,13 @@ TODO: Add an updated screenshot with some fancy VST3-only plugins to the readme
   with, and it then applies the change conditionally to be able to support
   building with both older and newer versions of Wine.
 
+### Fixed
+
+- The function for suspending and resuming audio, `effMainsChanged()`, is now
+  always executed from the GUI thread. This fixes **EZdrummer** not producing
+  any sound as it makes the incorrect assumption that `effMainsChanged()` is
+  always called from the GUI thread.
+
 ### yabridgectl
 
 - Updated for the changes in yabridge 3.0. Yabridgectl now allows you to set up
diff --git a/src/wine-host/bridges/vst2.cpp b/src/wine-host/bridges/vst2.cpp
index 7d404b76..410b6ba3 100644
--- a/src/wine-host/bridges/vst2.cpp
+++ b/src/wine-host/bridges/vst2.cpp
@@ -40,10 +40,14 @@ std::mutex current_bridge_instance_mutex;
 /**
  * Opcodes that should always be handled on the main thread because they may
  * involve GUI operations.
+ *
+ * NOTE: `effMainsChanged` is the odd one here. EZdrummer interacts with the
+ *       Win32 message loop while handling this function. If we don't execute
+ *       this from the main GUI thread, then EZdrummer won't produce any sound.
  */
-const std::set<int> unsafe_opcodes{effOpen,     effClose,     effEditGetRect,
-                                   effEditOpen, effEditClose, effEditIdle,
-                                   effEditTop};
+const std::set<int> unsafe_opcodes{effOpen,     effClose,       effEditGetRect,
+                                   effEditOpen, effEditClose,   effEditIdle,
+                                   effEditTop,  effMainsChanged};
 
 intptr_t VST_CALL_CONV
 host_callback_proxy(AEffect*, int, int, intptr_t, void*, float);