diff --git a/ChangeLog b/ChangeLog
index 803669754..35f93c03b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2009-07-31  suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
+
+	cff: Type large constants > 0x7FFF as long for 16-bit systems.
+
+	* src/cff/cffload.c (cff_charset_load): Type large
+	constants > 0x7FFF as long, because normal constants
+	are typed signed integer that is less than 0x8000 on
+	16-bit systems.
+
 2009-07-31  suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
 
 	base: Remove an unused variable.
diff --git a/src/cff/cffload.c b/src/cff/cffload.c
index 14d3db7c7..64d139572 100644
--- a/src/cff/cffload.c
+++ b/src/cff/cffload.c
@@ -851,7 +851,7 @@
 
 
             /* this constant is given in the CFF specification */
-            if ( sid < 65000 )
+            if ( sid < 65000L )
               charset->sids[j] = sid;
             else
             {
@@ -894,16 +894,16 @@
 
             /* check whether the range contains at least one valid glyph; */
             /* the constant is given in the CFF specification             */
-            if ( glyph_sid >= 65000 ) {
+            if ( glyph_sid >= 65000L ) {
               FT_ERROR(( "cff_charset_load: invalid SID range\n" ));
               error = CFF_Err_Invalid_File_Format;
               goto Exit;
             }
 
             /* try to rescue some of the SIDs if `nleft' is too large */
-            if ( nleft > 65000 - 1 || glyph_sid >= 65000 - nleft ) {
+            if ( nleft > 65000L - 1L || glyph_sid >= 65000L - nleft ) {
               FT_ERROR(( "cff_charset_load: invalid SID range trimmed\n" ));
-              nleft = 65000 - 1 - glyph_sid;
+              nleft = ( FT_UInt )( 65000L - 1L - glyph_sid );
             }
 
             /* Fill in the range of sids -- `nleft + 1' glyphs. */