diff --git a/autoconf_share/lofar_lapack.m4 b/autoconf_share/lofar_lapack.m4
index 0611e3b6571dbd455071ccfbcc68dd7c1a617fdd..b402eaeaa25def024ff9cdf6b3a2a4dddccc9366 100644
--- a/autoconf_share/lofar_lapack.m4
+++ b/autoconf_share/lofar_lapack.m4
@@ -35,5 +35,5 @@ AC_DEFUN([lofar_LAPACK],dnl
 [dnl
 AC_PREREQ(2.13)dnl
 ifelse($1, [], [lfr_option=0], [lfr_option=$1])
-lofar_EXTERNAL(lapack,[$lfr_option],,"lapack blas")
+lofar_EXTERNAL(lapack,[$lfr_option],,"lapack blas",,,,,-lg2c)
 ])