diff --git a/soh/soh/OTRGlobals.cpp b/soh/soh/OTRGlobals.cpp
index 7535a8739..a56e59c20 100644
--- a/soh/soh/OTRGlobals.cpp
+++ b/soh/soh/OTRGlobals.cpp
@@ -1556,6 +1556,7 @@ extern "C" void DeinitOTR() {
     // Destroying gui here because we have shared ptrs to LUS objects which output to SPDLOG which is destroyed before
     // these shared ptrs.
     SohGui::Destroy();
+    sohFast3dWindow = nullptr;
 
     OTRGlobals::Instance->context = nullptr;
 }