diff --git a/disas.c b/disas.c
index dc1957b9621d47b1742d6e544a96276ae110a798..8a44e91477dadf1adc98c43077080a922ad5373f 100644
--- a/disas.c
+++ b/disas.c
@@ -42,7 +42,7 @@ perror_memory (status, memaddr, info)
     /* Actually, address between memaddr and memaddr + len was
        out of bounds.  */
     (*info->fprintf_func) (info->stream,
-			   "Address 0x%x is out of bounds.\n", memaddr);
+			   "Address 0x%llx is out of bounds.\n", memaddr);
 }
 
 /* This could be in a separate file, to save miniscule amounts of space
@@ -57,7 +57,7 @@ generic_print_address (addr, info)
      bfd_vma addr;
      struct disassemble_info *info;
 {
-  (*info->fprintf_func) (info->stream, "0x%x", addr);
+  (*info->fprintf_func) (info->stream, "0x%llx", addr);
 }
 
 /* Just return the given address.  */