diff --git a/ChangeLog b/ChangeLog
index e26c817..2fd3a81 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2008-01-03  Klaus Treichel  <ktreichel@web.de>
+
+	* jit/jit-opcode.c: Add the nint argument to the copy_struct opcode.
+
 2007-12-31  Klaus Treichel  <ktreichel@web.de>
 
 	* jit/jit-apply-x86-64.h: Swap source and destination for the call of
diff --git a/jit/jit-opcode.c b/jit/jit-opcode.c
index b46343d..6f2198a 100644
--- a/jit/jit-opcode.c
+++ b/jit/jit-opcode.c
@@ -446,7 +446,7 @@ jit_opcode_info_t const jit_opcodes[JIT_OP_NUM_OPCODES] = {
 	{"copy_float32",				O_(FLOAT32, FLOAT32, EMPTY, COPY)},
 	{"copy_float64",				O_(FLOAT64, FLOAT64, EMPTY, COPY)},
 	{"copy_nfloat",					O_(NFLOAT, NFLOAT, EMPTY, COPY)},
-	{"copy_struct",					O_(PTR, PTR, EMPTY, COPY)},
+	{"copy_struct",					O_(PTR, PTR, EMPTY, COPY) | NINT_ARG},
 	{"copy_store_byte",				F_(INT, INT, EMPTY)},
 	{"copy_store_short",			F_(INT, INT, EMPTY)},
 	{"address_of",					O_(PTR, ANY, EMPTY, ADDRESS_OF)},