diff --git a/gdb/mips-pinsn.c b/gdb/mips-pinsn.c
index 530b2a742e..199e335154 100644
--- a/gdb/mips-pinsn.c
+++ b/gdb/mips-pinsn.c
@@ -35,7 +35,7 @@ print_insn (memaddr, stream)
 
   /* print_insn_mips is in opcodes/mips-dis.c.  */
   if (TARGET_BYTE_ORDER == BIG_ENDIAN)
-    return print_insn_big_mips (memaddr, &info);
+    return print_insn_big_mips ((bfd_vma) memaddr, &info);
   else
-    return print_insn_little_mips (memaddr, &info);
+    return print_insn_little_mips ((bfd_vma) memaddr, &info);
 }
diff --git a/gdb/z8k-tdep.c b/gdb/z8k-tdep.c
index 10e4e4b31c..2021a2ed28 100644
--- a/gdb/z8k-tdep.c
+++ b/gdb/z8k-tdep.c
@@ -214,11 +214,11 @@ print_insn (memaddr, stream)
 
   if (BIG)
     {
-      return print_insn_z8001 (memaddr, &info);
+      return print_insn_z8001 ((bfd_vma) memaddr, &info);
     }
   else
     {
-      return print_insn_z8002 (memaddr, &info);
+      return print_insn_z8002 ((bfd_vma) memaddr, &info);
     }
 }