diff --git a/src/meta/ktsr.c b/src/meta/ktsr.c
index 5836a1f2..dcc354af 100644
--- a/src/meta/ktsr.c
+++ b/src/meta/ktsr.c
@@ -480,7 +480,8 @@ fail:
     return 0;
 }
 
-/* ktsr engine reads+decrypts in the same func based on passed flag tho (reversed from exe) */
+/* ktsr engine reads+decrypts in the same func based on passed flag tho (reversed from exe)
+ * Strings are usually ASCII but Shift-JIS is used in rare cases (0x0c3e2edf.srsa) */
 static void decrypt_string_ktsr(char* buf, size_t buf_size, uint32_t seed) {
     for (int i = 0; i < buf_size - 1; i++) {
         if (!buf[i]) /* just in case */
diff --git a/src/util/log.h b/src/util/log.h
index b94641c3..2396b9aa 100644
--- a/src/util/log.h
+++ b/src/util/log.h
@@ -67,7 +67,7 @@ void vgm_log_set_callback(void* ctx_p, int level, int type, void* callback);
         do { \
             int i; \
             for (i=0; i < buf_size; i++) { \
-                printf("%02x",buf[i]); \
+                printf("%02x",buf[i] & 0xFF); \
                 if (bytes_per_line && (i+1) % bytes_per_line == 0) printf("\n"); \
             } \
             printf("\n"); \