diff --git a/src/gbi/rt64_gbi_f3dex2.h b/src/gbi/rt64_gbi_f3dex2.h
index 21bec49..b378754 100644
--- a/src/gbi/rt64_gbi_f3dex2.h
+++ b/src/gbi/rt64_gbi_f3dex2.h
@@ -65,6 +65,7 @@
 
 namespace RT64 {
     namespace GBI_F3DEX2 {
+        void setOtherMode(State *state, DisplayList **dl);
         void setOtherModeH(State *state, DisplayList **dl);
         void setOtherModeL(State *state, DisplayList **dl);
         void moveMem(State *state, DisplayList **dl);
diff --git a/src/gbi/rt64_gbi_s2dex2.cpp b/src/gbi/rt64_gbi_s2dex2.cpp
index a6a1c9a..23c5fc1 100644
--- a/src/gbi/rt64_gbi_s2dex2.cpp
+++ b/src/gbi/rt64_gbi_s2dex2.cpp
@@ -80,6 +80,7 @@ namespace RT64 {
             gbi->map[F3DEX2_G_RDPHALF_1] = &GBI_F3D::rdpHalf1;
             gbi->map[F3DEX2_G_RDPHALF_2] = &GBI_F3D::rdpHalf2;
             gbi->map[F3DEX2_G_LOAD_UCODE] = &GBI_F3DEX::loadUCode;
+            gbi->map[G_RDPSETOTHERMODE] = &GBI_F3DEX2::setOtherMode;
             gbi->map[G_SETCIMG] = &GBI_F3D::setColorImage;
             gbi->map[G_SETZIMG] = &GBI_F3D::setDepthImage;
             gbi->map[G_SETTIMG] = &GBI_F3D::setTextureImage;