diff --git a/ChangeLog b/ChangeLog
index 3c46624..49ed495 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2017-06-10  Werner Lemberg  <wl@gnu.org>
+
+	* src/base/ftcalc.c (FT_DivFix): Fix embarrassing typo.
+
+	Bug introduced 2017-05-28.
+
 2017-06-09  Werner Lemberg  <wl@gnu.org>
 
 	[cff, truetype] Integer overflows.
diff --git a/src/base/ftcalc.c b/src/base/ftcalc.c
index 9e42d78..cb10612 100644
--- a/src/base/ftcalc.c
+++ b/src/base/ftcalc.c
@@ -262,7 +262,7 @@
     b = (FT_UInt64)b_;
 
     FT_MOVE_SIGN( a_, a, s );
-    FT_MOVE_SIGN( b_, a, s );
+    FT_MOVE_SIGN( b_, b, s );
 
     q = b > 0 ? ( ( a << 16 ) + ( b >> 1 ) ) / b
               : 0x7FFFFFFFUL;