diff --git a/platforms.json b/platforms.json
index 4269f65..1763888 100644
--- a/platforms.json
+++ b/platforms.json
@@ -346,7 +346,9 @@
       "docker": {
         "directory": "windows",
         "image_basename": "windows",
-        "build_options": {}
+        "build_options": {
+		  "DOCKER_BITS": "64"
+		}
       },
       "cmake_toolchain": "/soft/toolchain-Windows.cmake"
     },
@@ -366,9 +368,7 @@
       "docker": {
         "directory": "osx",
         "image_basename": "osx",
-        "build_options": {
-		  "DOCKER_BITS": "64"
-		}
+        "build_options": {}
       },
       "cmake_toolchain": "/soft/toolchain-Darwin.cmake"
     },