diff --git a/sci-libs/flexiblas/flexiblas-3.5.0.ebuild b/sci-libs/flexiblas/flexiblas-3.5.0.ebuild
index 30c6c6bda467a..48e93291b8178 100644
--- a/sci-libs/flexiblas/flexiblas-3.5.0.ebuild
+++ b/sci-libs/flexiblas/flexiblas-3.5.0.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-inherit cmake multilib toolchain-funcs
+inherit cmake fortran-2 multilib toolchain-funcs
 
 MY_P=flexiblas-release-v${PV}
 DESCRIPTION="A BLAS and LAPACK wrapper library with runtime exchangable backends"
@@ -57,8 +57,9 @@ pkg_pretend() {
 }
 
 pkg_setup() {
-	if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
-		tc-check-openmp
+	if [[ ${MERGE_TYPE} != binary ]]; then
+		fortran-2_pkg_setup
+		use openmp && tc-check-openmp
 	fi
 }
 
diff --git a/sci-libs/flexiblas/flexiblas-9999.ebuild b/sci-libs/flexiblas/flexiblas-9999.ebuild
index 0ac6f842b5de9..9460f82ba4566 100644
--- a/sci-libs/flexiblas/flexiblas-9999.ebuild
+++ b/sci-libs/flexiblas/flexiblas-9999.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-inherit cmake git-r3 multilib toolchain-funcs
+inherit cmake fortran-2 git-r3 multilib toolchain-funcs
 
 DESCRIPTION="A BLAS and LAPACK wrapper library with runtime exchangable backends"
 HOMEPAGE="
@@ -54,8 +54,9 @@ pkg_pretend() {
 }
 
 pkg_setup() {
-	if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
-		tc-check-openmp
+	if [[ ${MERGE_TYPE} != binary ]]; then
+		fortran-2_pkg_setup
+		use openmp && tc-check-openmp
 	fi
 }