diff --git a/liboverlay/overlayLib.cpp b/liboverlay/overlayLib.cpp
index 1dc8549..53d430b 100644
--- a/liboverlay/overlayLib.cpp
+++ b/liboverlay/overlayLib.cpp
@@ -1076,6 +1076,8 @@ bool OverlayControlChannel::setParameter(int param, int value, bool fetch) {
     if ((mOVInfo.user_data[0] == MDP_ROT_90) ||
         (mOVInfo.user_data[0] == MDP_ROT_270))
         mOVInfo.flags |= MDP_SOURCE_ROTATED_90;
+    else
+        mOVInfo.flags &= ~MDP_SOURCE_ROTATED_90;
 
     if (ioctl(mFD, MSMFB_OVERLAY_SET, &mOVInfo)) {
         reportError("setParameter, overlay set failed");