diff --git a/sys/kern/link_elf_obj.c b/sys/kern/link_elf_obj.c
index 98a2fcffbc65..ac4cc8c085cb 100644
--- a/sys/kern/link_elf_obj.c
+++ b/sys/kern/link_elf_obj.c
@@ -369,8 +369,9 @@ link_elf_link_preload(linker_class_t cls, const char *filename,
 				dpcpu = dpcpu_alloc(shdr[i].sh_size);
 				if (dpcpu == NULL) {
 					printf("%s: pcpu module space is out "
-					    "of space; cannot allocate %ld for "
-					    "%s\n", __func__, shdr[i].sh_size,
+					    "of space; cannot allocate %#jx "
+					    "for %s\n", __func__,
+					    (uintmax_t)shdr[i].sh_size,
 					    filename);
 					error = ENOSPC;
 					goto out;
@@ -387,8 +388,9 @@ link_elf_link_preload(linker_class_t cls, const char *filename,
 				vnet_data = vnet_data_alloc(shdr[i].sh_size);
 				if (vnet_data == NULL) {
 					printf("%s: vnet module space is out "
-					    "of space; cannot allocate %ld for "
-					    "%s\n", __func__, shdr[i].sh_size,
+					    "of space; cannot allocate %#jx "
+					    "for %s\n", __func__,
+					    (uintmax_t)shdr[i].sh_size,
 					    filename);
 					error = ENOSPC;
 					goto out;
@@ -860,8 +862,9 @@ link_elf_load_file(linker_class_t cls, const char *filename,
 				    dpcpu_alloc(shdr[i].sh_size);
 				if (ef->progtab[pb].addr == NULL) {
 					printf("%s: pcpu module space is out "
-					    "of space; cannot allocate %ld for "
-					    "%s\n", __func__, shdr[i].sh_size,
+					    "of space; cannot allocate %#jx "
+					    "for %s\n", __func__,
+					    (uintmax_t)shdr[i].sh_size,
 					    filename);
 				}
 			}
@@ -872,8 +875,9 @@ link_elf_load_file(linker_class_t cls, const char *filename,
 				    vnet_data_alloc(shdr[i].sh_size);
 				if (ef->progtab[pb].addr == NULL) {
 					printf("%s: vnet module space is out "
-					    "of space; cannot allocate %ld for "
-					    "%s\n", __func__, shdr[i].sh_size,
+					    "of space; cannot allocate %#jx "
+					    "for %s\n", __func__,
+					    (uintmax_t)shdr[i].sh_size,
 					    filename);
 				}
 			}