diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardPatternView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardPatternView.java
index 0e91e4109ec0c..d8086da277f24 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardPatternView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardPatternView.java
@@ -64,6 +64,9 @@ public class KeyguardPatternView extends LinearLayout implements KeyguardSecurit
     // How much we scale up the duration of the disappear animation when the current user is locked
     public static final float DISAPPEAR_MULTIPLIER_LOCKED = 1.5f;
 
+    // Extra padding, in pixels, that should eat touch events.
+    private static final int PATTERNS_TOUCH_AREA_EXTENSION = 40;
+
     private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
     private final AppearAnimationUtils mAppearAnimationUtils;
     private final DisappearAnimationUtils mDisappearAnimationUtils;
@@ -204,9 +207,10 @@ public class KeyguardPatternView extends LinearLayout implements KeyguardSecurit
     protected void onLayout(boolean changed, int l, int t, int r, int b) {
         super.onLayout(changed, l, t, r, b);
         mLockPatternView.getLocationOnScreen(mTmpPosition);
-        mLockPatternScreenBounds.set(mTmpPosition[0], mTmpPosition[1],
-                mTmpPosition[0] + mLockPatternView.getWidth(),
-                mTmpPosition[1] + mLockPatternView.getHeight());
+        mLockPatternScreenBounds.set(mTmpPosition[0] - PATTERNS_TOUCH_AREA_EXTENSION,
+                mTmpPosition[1] - PATTERNS_TOUCH_AREA_EXTENSION,
+                mTmpPosition[0] + mLockPatternView.getWidth() + PATTERNS_TOUCH_AREA_EXTENSION,
+                mTmpPosition[1] + mLockPatternView.getHeight() + PATTERNS_TOUCH_AREA_EXTENSION);
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
index 0914fb8330beb..6cd971d256109 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
@@ -71,6 +71,8 @@ public class KeyguardSecurityContainer extends FrameLayout implements KeyguardSe
     private static final float TOUCH_Y_MULTIPLIER = 0.25f;
     // How much you need to drag the bouncer to trigger an auth retry (in dps.)
     private static final float MIN_DRAG_SIZE = 10;
+    // How much to scale the default slop by, to avoid accidental drags.
+    private static final float SLOP_SCALE = 2f;
 
     private KeyguardSecurityModel mSecurityModel;
     private LockPatternUtils mLockPatternUtils;
@@ -179,7 +181,7 @@ public class KeyguardSecurityContainer extends FrameLayout implements KeyguardSe
                     return false;
                 }
                 int index = event.findPointerIndex(mActivePointerId);
-                int touchSlop = mViewConfiguration.getScaledTouchSlop();
+                float touchSlop = mViewConfiguration.getScaledTouchSlop() * SLOP_SCALE;
                 if (mCurrentSecurityView != null && index != -1
                         && mStartTouchY - event.getY(index) > touchSlop) {
                     mIsDragging = true;