Index: ImageMagick-6.8.8-1/coders/mat.c
===================================================================
--- ImageMagick-6.8.8-1.orig/coders/mat.c
+++ ImageMagick-6.8.8-1/coders/mat.c
@@ -1120,19 +1120,19 @@ NEXT_FRAME:
       case miUINT16:
         sample_size = 16;
         image->depth = 16;        /* Word type cell */
-        ldblk = (ssize_t) (2 * MATLAB_HDR.SizeX);
+        ldblk = (2 * (ssize_t) MATLAB_HDR.SizeX);
         break;
       case miINT32:
       case miUINT32:
         sample_size = 32;
         image->depth = 32;        /* Dword type cell */
-        ldblk = (ssize_t) (4 * MATLAB_HDR.SizeX);
+        ldblk = (4 * (ssize_t) MATLAB_HDR.SizeX);
         break;
       case miINT64:
       case miUINT64:
         sample_size = 64;
         image->depth = 64;        /* Qword type cell */
-        ldblk = (ssize_t) (8 * MATLAB_HDR.SizeX);
+        ldblk = (8 * (ssize_t) MATLAB_HDR.SizeX);
         break;
       case miSINGLE:
         sample_size = 32;
@@ -1141,7 +1141,7 @@ NEXT_FRAME:
         if (MATLAB_HDR.StructureFlag & FLAG_COMPLEX)
   {              /* complex float type cell */
   }
-        ldblk = (ssize_t) (4 * MATLAB_HDR.SizeX);
+        ldblk = (4 * (ssize_t) MATLAB_HDR.SizeX);
         break;
       case miDOUBLE:
         sample_size = 64;
@@ -1154,7 +1154,7 @@ RestoreMSCWarning
         if (MATLAB_HDR.StructureFlag & FLAG_COMPLEX)
   {                         /* complex double type cell */
   }
-        ldblk = (ssize_t) (8 * MATLAB_HDR.SizeX);
+        ldblk = (8 * (ssize_t) MATLAB_HDR.SizeX);
         break;
       default:
         if ((image != image2) && (image2 != (Image *) NULL))