Index: kernel/arch/amd64/src/asm_utils.S
===================================================================
--- kernel/arch/amd64/src/asm_utils.S	(revision 46d8eb9b258c351fc7a0ec7a45162776b8adc3a2)
+++ kernel/arch/amd64/src/asm_utils.S	(revision 25becee86ea7008be79f32a90a0f8d5be900d26e)
@@ -99,10 +99,10 @@
  * @param MEMCPY_SIZE	Number of bytes to copy.
  *
- * @retrun MEMCPY_SRC on success, 0 on failure.
+ * @retrun MEMCPY_DST on success, 0 on failure.
  */
 memcpy:
 memcpy_from_uspace:
 memcpy_to_uspace:
-	movq MEMCPY_SRC, %rax
+	movq MEMCPY_DST, %rax
 
 	movq MEMCPY_SIZE, %rcx