...

diff --git a/coders/png.c b/coders/png.c
index bc3ab76e2e2680a1ab837fcc681735f5b63ba27a..a6746caa1c20eb460561b777dd733118b557d11e 100644 (file)
--- a/coders/png.c
+++ b/coders/png.c
@@ -3031,7 +3031,7 @@ static Image *ReadOnePNGImage(MngInfo *mng_info,
           Quantum
             scale;
 
-          scale = (Quantum) ((65535UL)/((1UL << ping_file_depth)-1));
+          scale = (Quantum) (65535/((1UL << ping_file_depth)-1));
 
 #if (MAGICKCORE_QUANTUM_DEPTH > 16)
           scale = ScaleShortToQuantum(scale);