diff --git a/RDRStickyKeyboardView/RDRStickyKeyboardView.m b/RDRStickyKeyboardView/RDRStickyKeyboardView.m
index 0f18431..dc86963 100644
--- a/RDRStickyKeyboardView/RDRStickyKeyboardView.m
+++ b/RDRStickyKeyboardView/RDRStickyKeyboardView.m
@@ -853,14 +853,14 @@ - (void)_scrollViewAdaptInsetsToKeyboardFrame:(CGRect)keyboardFrame
     // If the keyboard is not hidden, set the content inset's bottom
     // to the height of the area occupied by the keyboard itself.
     CGFloat bottomInset = keyboardHeight - inputViewHeight;
-    bottomInset *= RDRKeyboardIsFullyHidden(keyboardFrame) ? 0 : 1;
+    bottomInset *= RDRKeyboardIsFullyHidden(keyboardFrame) ? -1 : 1;
     
     UIEdgeInsets contentInset = self.scrollView.contentInset;
-    contentInset.bottom = bottomInset;
+    contentInset.bottom += bottomInset;
     self.scrollView.contentInset = contentInset;
     
     UIEdgeInsets scrollIndicatorInsets = self.scrollView.scrollIndicatorInsets;
-    scrollIndicatorInsets.bottom = bottomInset;
+    scrollIndicatorInsets.bottom += bottomInset;
     self.scrollView.scrollIndicatorInsets = scrollIndicatorInsets;
 }