diff --git a/dlls/wined3d/drawprim.c b/dlls/wined3d/drawprim.c
index ea2dd8f230d..dde71b44184 100644
--- a/dlls/wined3d/drawprim.c
+++ b/dlls/wined3d/drawprim.c
@@ -65,7 +65,7 @@ static void drawStridedFast(const struct wined3d_gl_info *gl_info, GLenum primit
  */
 
 /* GL locking is done by the caller */
-static void drawStridedSlow(struct wined3d_device *device, const struct wined3d_context *context,
+static void drawStridedSlow(const struct wined3d_device *device, const struct wined3d_context *context,
         const struct wined3d_stream_info *si, UINT NumVertexes, GLenum glPrimType,
         const void *idxData, UINT idxSize, UINT startIdx)
 {