diff --git a/src/external/imgui/imgui_impl_sdlrenderer2.cpp b/src/external/imgui/imgui_impl_sdlrenderer2.cpp
index cbd06f0c..57f60a7b 100644
--- a/src/external/imgui/imgui_impl_sdlrenderer2.cpp
+++ b/src/external/imgui/imgui_impl_sdlrenderer2.cpp
@@ -52,8 +52,10 @@ extern int SDL_SetTextureScaleMode(SDL_Texture * texture, SDL_ScaleMode scaleMod
 #endif
 
 #if !SDL_VERSION_ATLEAST(2,0,17)
-struct SDL_Vertex;
-extern int SDL_RenderGeometry(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Vertex *vertices, int num_vertices, const int *indices, int num_indices);
+extern int SDL_RenderGeometryRaw(SDL_Renderer *renderer, SDL_Texture *texture,
+    const float *xy, int xy_stride, const SDL_Color *color, int color_stride,
+    const float *uv, int uv_stride, int num_vertices,
+    const void *indices, int num_indices, int size_indices);
 #endif
 
 #include "hook.h"
diff --git a/src/library/sdl/sdldynapi.cpp b/src/library/sdl/sdldynapi.cpp
index 2d8413ca..1acf5167 100644
--- a/src/library/sdl/sdldynapi.cpp
+++ b/src/library/sdl/sdldynapi.cpp
@@ -38,8 +38,10 @@ OVERRIDE int SDL_SetTextureScaleMode(SDL_Texture * texture, SDL_ScaleMode scaleM
 #endif
 
 #if !SDL_VERSION_ATLEAST(2,0,17)
-struct SDL_Vertex;
-OVERRIDE int SDL_RenderGeometry(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Vertex *vertices, int num_vertices, const int *indices, int num_indices);
+OVERRIDE int SDL_RenderGeometryRaw(SDL_Renderer *renderer, SDL_Texture *texture,
+    const float *xy, int xy_stride, const SDL_Color *color, int color_stride,
+    const float *uv, int uv_stride, int num_vertices,
+    const void *indices, int num_indices, int size_indices);
 #endif
 
 #include "logging.h"