diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index 763eaf65273..974fe52766a 100755
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -651,7 +651,7 @@ def buildPython():
                                         'libraries', 'usr', 'local', 'lib')
     print "Running configure..."
     runCommand("%s -C --enable-framework --enable-universalsdk=%s "
-               "--with-universal-archs=%s --with-computed-gotos"
+               "--with-universal-archs=%s --with-computed-gotos "
                "LDFLAGS='-g -L%s/libraries/usr/local/lib' "
                "OPT='-g -O3 -I%s/libraries/usr/local/include' 2>&1"%(
         shellQuote(os.path.join(SRCDIR, 'configure')), shellQuote(SDKPATH),