diff --git a/src/intel/isl/isl_drm.c b/src/intel/isl/isl_drm.c
index eb3c6f59138..31895e15e16 100644
--- a/src/intel/isl/isl_drm.c
+++ b/src/intel/isl/isl_drm.c
@@ -71,7 +71,7 @@ isl_tiling_from_i915_tiling(uint32_t tiling)
    unreachable("Invalid i915 tiling");
 }
 
-struct isl_drm_modifier_info modifier_info[] = {
+static const struct isl_drm_modifier_info modifier_info[] = {
    {
       .modifier = DRM_FORMAT_MOD_NONE,
       .name = "DRM_FORMAT_MOD_NONE",