diff --git a/slidingdrawer/src/main/java/com/pierfrancescosoffritti/slidingdrawer/SlidingDrawer.java b/slidingdrawer/src/main/java/com/pierfrancescosoffritti/slidingdrawer/SlidingDrawer.java
index 8e4892d..a2961ef 100644
--- a/slidingdrawer/src/main/java/com/pierfrancescosoffritti/slidingdrawer/SlidingDrawer.java
+++ b/slidingdrawer/src/main/java/com/pierfrancescosoffritti/slidingdrawer/SlidingDrawer.java
@@ -430,6 +430,11 @@ protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
      * @param finalYNormalized Normalized value (between 0.0 and 1.0) representing the final slide position
      */
     public void slideTo(float finalYNormalized) {
+        if(finalYNormalized == Float.NaN)
+            throw new IllegalArgumentException("Bad value. Can't slide to NaN");
+        if(finalYNormalized < 0 || finalYNormalized > 1)
+            throw new IllegalArgumentException("Bad value. Can't slide to " +finalYNormalized +". Value must be between 0 and 1");
+
         ValueAnimator va = ValueAnimator.ofFloat(currentSlide, finalYNormalized);
         va.setInterpolator(new DecelerateInterpolator(1.5f));
         va.setDuration(300);