diff --git a/cantera/bld.bat b/cantera/bld.bat
index 5c1f8dc..96cde1f 100644
--- a/cantera/bld.bat
+++ b/cantera/bld.bat
@@ -16,6 +16,7 @@ ECHO prefix="%ESC_PREFIX%" >> cantera.conf
 ECHO extra_inc_dirs="%ESC_PREFIX%/Library/include" >> cantera.conf
 ECHO extra_lib_dirs="%ESC_PREFIX%/Library/lib" >> cantera.conf
 echo blas_lapack_libs="mkl_rt" >> cantera.conf
+echo f90_interface="n" >> cantera.conf
 
 CALL scons build -j%CPU_USE%
 IF ERRORLEVEL 1 EXIT 1