diff --git a/macos-10.12.json b/macos-10.12.json
index 82d78143f..da4b0e8d5 100644
--- a/macos-10.12.json
+++ b/macos-10.12.json
@@ -26,7 +26,7 @@
         "hpet0.present": "TRUE",
         "ich7m.present": "TRUE",
         "keyboardAndMouseProfile": "macProfile",
-        "memsize": "{{ user `memory` }}",
+        "memsize": "{{ user `memsize` }}",
         "numvcpus": "{{ user `cpus` }}",
         "smc.present": "TRUE",
         "usb.present": "TRUE"
@@ -102,7 +102,7 @@
           "modifyvm",
           "{{.Name}}",
           "--memory",
-          "{{ user `memory` }}"
+          "{{ user `memsize` }}"
         ],
         [
           "modifyvm",
@@ -167,7 +167,7 @@
           "set",
           "{{.Name}}",
           "--memsize",
-          "{{ user `memory` }}"
+          "{{ user `memsize` }}"
         ],
         [
           "set",
@@ -239,7 +239,7 @@
     "iso_checksum": "__unset_iso_checksum__",
     "iso_checksum_type": "md5",
     "iso_url": "http://YOU-MUST-PROVIDE-YOUR-OWN-DMG.sorry",
-    "memory": "2048",
+    "memsize": "2048",
     "metadata": "floppy/dummy_metadata.json",
     "name": "macos-10.12",
     "no_proxy": "{{env `no_proxy`}}",