diff --git a/rotation.cpp b/rotation.cpp
index 4916167..0341e9f 100644
--- a/rotation.cpp
+++ b/rotation.cpp
@@ -588,8 +588,8 @@ Image* rotate(Image const& src, double angle)
     // TODO: compact these structure to increase locality
     int const left_padding = padding_table[y];
     int const left_border = 0;
-    int const right_padding = 0;
     int const right_border = 0;
+    int const right_padding = min((int) padding_table[height - 1 - y], (int) width - left_padding);
     int const core_pixels = width - left_padding - left_border - right_border - right_padding;
 
     if (false)