diff --git a/src/psaux/cffdecode.c b/src/psaux/cffdecode.c
index 0f1cd683c..70173ccb7 100644
--- a/src/psaux/cffdecode.c
+++ b/src/psaux/cffdecode.c
@@ -1753,7 +1753,7 @@
 
           /* without upper limit the loop below might not finish */
           if ( args[0] > 0x7FFFFFFFL )
-            args[0] = 46341;
+            args[0] = 0xB504F3L;    /* sqrt( 32768.0 ) */
           else if ( args[0] > 0 )
           {
             FT_Fixed  root = 1 << ( ( 17 + FT_MSB( args[0] ) ) >> 1 );