diff --git a/src/mesa/state_tracker/st_nir_lower_tex_src_plane.c b/src/mesa/state_tracker/st_nir_lower_tex_src_plane.c
index db838612da8..99f595a72b3 100644
--- a/src/mesa/state_tracker/st_nir_lower_tex_src_plane.c
+++ b/src/mesa/state_tracker/st_nir_lower_tex_src_plane.c
@@ -29,6 +29,7 @@
  * This should run after nir_lower_samplers.
  */
 
+#include "util/u_string.h"
 #include "compiler/nir/nir.h"
 #include "st_nir.h"