diff --git a/src/render/opengl/SDL_render_gl.c b/src/render/opengl/SDL_render_gl.c
index 410de464b..1ca2cb5c4 100644
--- a/src/render/opengl/SDL_render_gl.c
+++ b/src/render/opengl/SDL_render_gl.c
@@ -1019,7 +1019,7 @@ GL_UpdateViewport(SDL_Renderer * renderer)
     } else {
         int w, h;
 
-        SDL_GL_GetDrawableSize(renderer, &w, &h);
+        SDL_GL_GetDrawableSize(renderer->window, &w, &h);
         data->glViewport(renderer->viewport.x, (h - renderer->viewport.y - renderer->viewport.h),
                          renderer->viewport.w, renderer->viewport.h);
     }
@@ -1057,7 +1057,7 @@ GL_UpdateClipRect(SDL_Renderer * renderer)
         } else {
             int w, h;
 
-            SDL_GL_GetDrawableSize(renderer, &w, &h);
+            SDL_GL_GetDrawableSize(renderer->window, &w, &h);
             data->glScissor(renderer->viewport.x + rect->x, h - renderer->viewport.y - rect->y - rect->h, rect->w, rect->h);
         }
     } else {
diff --git a/src/render/opengles/SDL_render_gles.c b/src/render/opengles/SDL_render_gles.c
index 5f96b227f..71f5b3a7a 100644
--- a/src/render/opengles/SDL_render_gles.c
+++ b/src/render/opengles/SDL_render_gles.c
@@ -672,7 +672,7 @@ GLES_UpdateViewport(SDL_Renderer * renderer)
     } else {
         int w, h;
 
-        SDL_GL_GetDrawableSize(renderer, &w, &h);
+        SDL_GL_GetDrawableSize(renderer->window, &w, &h);
         data->glViewport(renderer->viewport.x, (h - renderer->viewport.y - renderer->viewport.h),
                          renderer->viewport.w, renderer->viewport.h);
     }
@@ -715,7 +715,7 @@ GLES_UpdateClipRect(SDL_Renderer * renderer)
         } else {
             int w, h;
 
-            SDL_GL_GetDrawableSize(renderer, &w, &h);
+            SDL_GL_GetDrawableSize(renderer->window, &w, &h);
             data->glScissor(renderer->viewport.x + rect->x, h - renderer->viewport.y - rect->y - rect->h, rect->w, rect->h);
         }
     } else {