diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index 819a04fa218..d312ecf0bb8 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -6791,7 +6791,7 @@ static void arbfp_free_blit_shader(struct wine_rb_entry *entry, void *context)
     HeapFree(GetProcessHeap(), 0, entry_arb);
 }
 
-const struct wine_rb_functions wined3d_arbfp_blit_rb_functions =
+static const struct wine_rb_functions wined3d_arbfp_blit_rb_functions =
 {
     wined3d_rb_alloc,
     wined3d_rb_realloc,