diff --git a/fs/unicode/mkutf8data.c b/fs/unicode/mkutf8data.c
index 77b685db827511a4fac03142370a25dbb104c768..57e0e290ce6fafcc7d2cafca9615f6a8184f97a6 100644
--- a/fs/unicode/mkutf8data.c
+++ b/fs/unicode/mkutf8data.c
@@ -3338,7 +3338,7 @@ static void write_file(void)
 	}
 	fprintf(file, "};\n");
 	fprintf(file, "\n");
-	fprintf(file, "struct utf8data_table utf8_data_table = {\n");
+	fprintf(file, "const struct utf8data_table utf8_data_table = {\n");
 	fprintf(file, "\t.utf8agetab = utf8agetab,\n");
 	fprintf(file, "\t.utf8agetab_size = ARRAY_SIZE(utf8agetab),\n");
 	fprintf(file, "\n");
diff --git a/fs/unicode/utf8data.c_shipped b/fs/unicode/utf8data.c_shipped
index dafa5fed761d83bc5f9f1390c61b28de6e4a43a7..73a93d49b3baf3b53f0c2383218e41c34bbb611b 100644
--- a/fs/unicode/utf8data.c_shipped
+++ b/fs/unicode/utf8data.c_shipped
@@ -4107,7 +4107,7 @@ static const unsigned char utf8data[64256] = {
 	0x81,0x80,0xcf,0x86,0x85,0x84,0xcf,0x86,0xcf,0x06,0x02,0x00,0x00,0x00,0x00,0x00
 };
 
-struct utf8data_table utf8_data_table = {
+const struct utf8data_table utf8_data_table = {
 	.utf8agetab = utf8agetab,
 	.utf8agetab_size = ARRAY_SIZE(utf8agetab),
 
diff --git a/fs/unicode/utf8n.h b/fs/unicode/utf8n.h
index bd00d587747a7c09b9aa85ce0f97647d28649ee6..fc703aa4b28ee0e0693270acb5c1213f89f7c3e6 100644
--- a/fs/unicode/utf8n.h
+++ b/fs/unicode/utf8n.h
@@ -78,6 +78,6 @@ struct utf8data_table {
 	const unsigned char *utf8data;
 };
 
-extern struct utf8data_table utf8_data_table;
+extern const struct utf8data_table utf8_data_table;
 
 #endif /* UTF8NORM_H */