diff --git a/jtag/ChangeLog b/jtag/ChangeLog
index ee667aa2..bbbaa6a7 100644
--- a/jtag/ChangeLog
+++ b/jtag/ChangeLog
@@ -4,6 +4,9 @@
 
   * src/bsdl/bsdl_sem.c (create_register): Use %zu for size_t with printf().
 
+  * src/tap/detect.c (detect_parts): Use the PRIX64 format string for 64bit
+    types with printf().
+
 2009-01-19  Kolja Waschk <kawk>
 
   * doc/UrJTAG.txt,
diff --git a/jtag/src/tap/detect.c b/jtag/src/tap/detect.c
index f39eca12..fa4800ca 100644
--- a/jtag/src/tap/detect.c
+++ b/jtag/src/tap/detect.c
@@ -24,6 +24,7 @@
 
 #include "sysdep.h"
 
+#include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>
@@ -263,7 +264,7 @@ detect_parts( chain_t *chain, const char *db_path )
 			did = id;
 		}
 
-		printf( _("Device Id: %s (0x%016lX)\n"), register_get_string( did ), bits_to_uint64(did) );
+		printf( _("Device Id: %s (0x%016"PRIX64")\n"), register_get_string( did ), bits_to_uint64(did) );
 
 		part = part_alloc( did );
 		if (part == NULL) {