diff --git a/rdppm.c b/rdppm.c
index 1df35c1b..a7570227 100644
--- a/rdppm.c
+++ b/rdppm.c
@@ -2,6 +2,7 @@
  * rdppm.c
  *
  * Copyright (C) 1991-1997, Thomas G. Lane.
+ * Modified 2009 by Bill Allombert, Guido Vollbeding.
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *
@@ -250,8 +251,8 @@ get_word_gray_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
   bufferptr = source->iobuffer;
   for (col = cinfo->image_width; col > 0; col--) {
     register int temp;
-    temp  = UCH(*bufferptr++);
-    temp |= UCH(*bufferptr++) << 8;
+    temp  = UCH(*bufferptr++) << 8;
+    temp |= UCH(*bufferptr++);
     *ptr++ = rescale[temp];
   }
   return 1;
@@ -274,14 +275,14 @@ get_word_rgb_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
   bufferptr = source->iobuffer;
   for (col = cinfo->image_width; col > 0; col--) {
     register int temp;
-    temp  = UCH(*bufferptr++);
-    temp |= UCH(*bufferptr++) << 8;
+    temp  = UCH(*bufferptr++) << 8;
+    temp |= UCH(*bufferptr++);
     *ptr++ = rescale[temp];
-    temp  = UCH(*bufferptr++);
-    temp |= UCH(*bufferptr++) << 8;
+    temp  = UCH(*bufferptr++) << 8;
+    temp |= UCH(*bufferptr++);
     *ptr++ = rescale[temp];
-    temp  = UCH(*bufferptr++);
-    temp |= UCH(*bufferptr++) << 8;
+    temp  = UCH(*bufferptr++) << 8;
+    temp |= UCH(*bufferptr++);
     *ptr++ = rescale[temp];
   }
   return 1;
diff --git a/wrppm.c b/wrppm.c
index 6c6d9088..68e0c85c 100644
--- a/wrppm.c
+++ b/wrppm.c
@@ -2,6 +2,7 @@
  * wrppm.c
  *
  * Copyright (C) 1991-1996, Thomas G. Lane.
+ * Modified 2009 by Guido Vollbeding.
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *
@@ -40,11 +41,11 @@
 #define BYTESPERSAMPLE 1
 #define PPM_MAXVAL 255
 #else
-/* The word-per-sample format always puts the LSB first. */
+/* The word-per-sample format always puts the MSB first. */
 #define PUTPPMSAMPLE(ptr,v)			\
 	{ register int val_ = v;		\
-	  *ptr++ = (char) (val_ & 0xFF);	\
 	  *ptr++ = (char) ((val_ >> 8) & 0xFF);	\
+	  *ptr++ = (char) (val_ & 0xFF);	\
 	}
 #define BYTESPERSAMPLE 2
 #define PPM_MAXVAL ((1<<BITS_IN_JSAMPLE)-1)