diff --git a/src/video/kmsdrm/SDL_kmsdrmvideo.h b/src/video/kmsdrm/SDL_kmsdrmvideo.h
index eb7123824..3f90ce735 100644
--- a/src/video/kmsdrm/SDL_kmsdrmvideo.h
+++ b/src/video/kmsdrm/SDL_kmsdrmvideo.h
@@ -140,7 +140,7 @@ KMSDRM_FBInfo *KMSDRM_FBFromBO(_THIS, struct gbm_bo *bo);
 
 /* Atomic functions that are used from SDL_kmsdrmopengles.c and SDL_kmsdrmmouse.c */
 void drm_atomic_modeset(_THIS, int mode_index);
-void drm_atomic_setbuffer(_THIS, struct plane *plane, uint32_t plane_id);
+void drm_atomic_setbuffer(_THIS, struct plane *plane, uint32_t fb_id);
 void drm_atomic_waitpending(_THIS);
 int drm_atomic_commit(_THIS, SDL_bool blocking);
 int drm_atomic_setcursor(KMSDRM_CursorData *curdata, int x, int y);