diff --git a/build/Jamfile.v2 b/build/Jamfile.v2
index bc340fdf..6a21561d 100644
--- a/build/Jamfile.v2
+++ b/build/Jamfile.v2
@@ -169,7 +169,8 @@ rule check-icu-config ( )
 
 if [ check-icu-config ]
 {
-   BOOST_REGEX_ICU_OPTS = "<define>BOOST_HAS_ICU=1 <target-os>freebsd:<include>/usr/local/include" ;
+   BOOST_REGEX_ICU_OPTS = "<target-os>freebsd:<include>/usr/local/include" ;
+   BOOST_REGEX_ICU_OPTS += "<define>BOOST_HAS_ICU=1" ;
 
    if $(ICU_PATH)
    {
@@ -259,3 +260,4 @@ boost-install boost_regex ;
 
 
 
+