diff --git a/autoconf_share/variants.lofar10 b/autoconf_share/variants.lofar10
index 77b873cf32fd768e0ffbc4e5125f276c93b9f490..d0c5ad52984d9e14e7703b364f56103a361416f2 100644
--- a/autoconf_share/variants.lofar10
+++ b/autoconf_share/variants.lofar10
@@ -8,3 +8,5 @@ opt.variant.conf:	 --with-optimize='-O4'
 dopt.variant.conf:	 --with-optimize='-ggdb -O4'
 
 prof.variant.conf:	 --with-optimize='-ggdb -pg'
+
+profopt.variant.conf:	 --with-optimize='-O4 -pg'
diff --git a/autoconf_share/variants.lofar9 b/autoconf_share/variants.lofar9
index 77b873cf32fd768e0ffbc4e5125f276c93b9f490..d0c5ad52984d9e14e7703b364f56103a361416f2 100644
--- a/autoconf_share/variants.lofar9
+++ b/autoconf_share/variants.lofar9
@@ -8,3 +8,5 @@ opt.variant.conf:	 --with-optimize='-O4'
 dopt.variant.conf:	 --with-optimize='-ggdb -O4'
 
 prof.variant.conf:	 --with-optimize='-ggdb -pg'
+
+profopt.variant.conf:	 --with-optimize='-O4 -pg'