diff --git a/source/build/include/build.h b/source/build/include/build.h
index 673dd67cb..68318079d 100644
--- a/source/build/include/build.h
+++ b/source/build/include/build.h
@@ -900,6 +900,8 @@ enum EHitBits
     kHitSprite = 0xC000,
 };
 
+void updateModelInterpolation();
+
 
 #include "iterators.h"
 
diff --git a/source/build/src/mdsprite.cpp b/source/build/src/mdsprite.cpp
index 4d4c8b1f0..34f6eb048 100644
--- a/source/build/src/mdsprite.cpp
+++ b/source/build/src/mdsprite.cpp
@@ -1676,7 +1676,7 @@ static void mdfree(mdmodel_t *vm)
     if (vm->mdnum == 2 || vm->mdnum == 3) { md3free((md3model_t *)vm); return; }
 }
 
-static void updateModelInterpolation()
+void updateModelInterpolation()
 {
 	// sigh...
 	omdtims = mdtims;
diff --git a/source/core/mainloop.cpp b/source/core/mainloop.cpp
index 5e464322a..87868ebe8 100644
--- a/source/core/mainloop.cpp
+++ b/source/core/mainloop.cpp
@@ -376,6 +376,7 @@ void Display()
 			screen->FrameTime = I_msTimeFS();
 			screen->BeginFrame();
 			screen->SetSceneRenderTarget(gl_ssao != 0);
+			updateModelInterpolation();
 			gi->Render();
 			DrawFullscreenBlends();
 			drawMapTitle();