diff --git a/core/fxcodec/jpx/cjpx_decoder.cpp b/core/fxcodec/jpx/cjpx_decoder.cpp
index dbc1b10..8f05cb8 100644
--- a/core/fxcodec/jpx/cjpx_decoder.cpp
+++ b/core/fxcodec/jpx/cjpx_decoder.cpp
@@ -506,7 +506,7 @@
   if (m_Image->comps[0].w != m_Image->x1 || m_Image->comps[0].h != m_Image->y1)
     return false;
 
-  if (pitch<(m_Image->comps[0].w * 8 * m_Image->numcomps + 31)>> 5 << 2)
+  if (pitch < ((m_Image->comps[0].w * 8 * m_Image->numcomps + 31) >> 5) << 2)
     return false;
 
   if (swap_rgb && m_Image->numcomps < 3)