diff --git a/src/imagination/pco/pco_ra.c b/src/imagination/pco/pco_ra.c
index c5c957f4277..fdf20263646 100644
--- a/src/imagination/pco/pco_ra.c
+++ b/src/imagination/pco/pco_ra.c
@@ -22,6 +22,7 @@
 #include "util/u_dynarray.h"
 
 #include <assert.h>
+#include <inttypes.h>
 #include <stdbool.h>
 #include <stdint.h>
 
@@ -240,7 +241,7 @@ static bool pco_ra_func(pco_func *func,
          printf("RA overrides:\n");
          hash_table_u64_foreach (overrides, entry) {
             struct vec_override *override = entry.data;
-            printf("  %%%lu: ref = ", entry.key);
+            printf("  %%%" PRIu64 ": ref = ", entry.key);
             pco_print_ref(func->parent_shader, override->ref);
             printf(", offset = %u\n", override->offset);
          }
diff --git a/src/imagination/pco/pco_validate.c b/src/imagination/pco/pco_validate.c
index ad85be7773a..226d48ffc68 100644
--- a/src/imagination/pco/pco_validate.c
+++ b/src/imagination/pco/pco_validate.c
@@ -16,6 +16,7 @@
 #include "util/macros.h"
 #include "util/ralloc.h"
 
+#include <inttypes.h>
 #include <stdio.h>
 
 enum ref_cursor {
@@ -69,11 +70,11 @@ static void pco_assert(struct val_state *state,
    if (state->ref_cursor != REF_CURSOR_NONE) {
       switch (state->ref_cursor) {
       case REF_CURSOR_INSTR_DEST:
-         printf(" instr dest #%lu", state->ref - state->instr->dest);
+         printf(" instr dest #%" PRIuPTR, state->ref - state->instr->dest);
          break;
 
       case REF_CURSOR_INSTR_SRC:
-         printf(" instr src #%lu", state->ref - state->instr->src);
+         printf(" instr src #%" PRIuPTR, state->ref - state->instr->src);
          break;
 
       default: