diff --git a/core/build-system.html b/core/build-system.html
index 3f638c3b07..bddde6a4de 100644
--- a/core/build-system.html
+++ b/core/build-system.html
@@ -270,6 +270,7 @@ for these).
         <li>Installs non-APK modules that have no tags specified.
         <li>Installs APKs according to the product definition files; tags
             are ignored for APK modules.
+        <li><code>ro.adb.secure=1</code>
         <li><code>ro.secure=1</code>
         <li><code>ro.debuggable=0</code>
         <li><code>adb</code> is disabled by default.
diff --git a/core/main.mk b/core/main.mk
index c29731c57a..cfc39bbedb 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -360,6 +360,10 @@ ifneq (,$(user_variant))
   # Target is secure in user builds.
   ADDITIONAL_DEFAULT_PROPERTIES += ro.secure=1
 
+  ifeq ($(user_variant),user)
+    ADDITIONAL_DEFAULT_PROPERTIES += ro.adb.secure=1
+  endif
+
   ifeq ($(user_variant),userdebug)
     # Pick up some extra useful tools
     tags_to_install += debug