diff --git a/liboverlay/overlayUtils.cpp b/liboverlay/overlayUtils.cpp
index e595cef..4b81ed3 100644
--- a/liboverlay/overlayUtils.cpp
+++ b/liboverlay/overlayUtils.cpp
@@ -428,6 +428,20 @@
     getDump(buf, len, "\tdst", rot.dst);
 }
 
+//Helper to even out x,w and y,h pairs
+//x,y are always evened to ceil and w,h are evened to floor
+void normalizeCrop(uint32_t& xy, uint32_t& wh) {
+    if(xy & 1) {
+        even_ceil(xy);
+        if(wh & 1)
+            even_floor(wh);
+        else
+            wh -= 2;
+    } else {
+        even_floor(wh);
+    }
+}
+
 } // utils
 
 } // overlay