diff --git a/flexiblas.spec b/flexiblas.spec
index d23d74b..798545c 100644
--- a/flexiblas.spec
+++ b/flexiblas.spec
@@ -16,7 +16,7 @@
 
 Name:           flexiblas
 Version:        %{major_version}.%{minor_version}.%{patch_version}
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        A BLAS/LAPACK wrapper library with runtime exchangeable backends
 
 # GPLv3 with an exception for the BLAS/LAPACK interface
@@ -213,8 +213,8 @@ rm -rf contributed
 %cmake -B build \
     -DCMAKE_INSTALL_PREFIX=%{_prefix} \
 %if %{with system_lapack}
-    -DSYS_BLAS_LIBRARY=%{_libdir}/libblas.a \
-    -DSYS_LAPACK_LIBRARY=%{_libdir}/liblapack_pic.a \
+    -DSYS_BLAS_LIBRARY=$(pkg-config --variable=libdir blas)/libblas.a \
+    -DSYS_LAPACK_LIBRARY=$(pkg-config --variable=libdir lapack)/liblapack_pic.a \
 %endif
     -DINTEGER8=OFF \
     -DTESTS=ON
@@ -223,8 +223,8 @@ rm -rf contributed
 %cmake -B build64 \
     -DCMAKE_INSTALL_PREFIX=%{_prefix} \
 %if %{with system_lapack}
-    -DSYS_BLAS_LIBRARY=%{_libdir}/libblas64.a \
-    -DSYS_LAPACK_LIBRARY=%{_libdir}/liblapack_pic64.a \
+    -DSYS_BLAS_LIBRARY=$(pkg-config --variable=libdir blas)/libblas64.a \
+    -DSYS_LAPACK_LIBRARY=$(pkg-config --variable=libdir lapack)/liblapack_pic64.a \
 %endif
     -DINTEGER8=ON \
     -DTESTS=ON
@@ -395,6 +395,9 @@ make -C build64 test
 %endif
 
 %changelog
+* Wed Oct 21 2020 Kalev Lember <klember@redhat.com> - 3.0.3-2
+- Use pkg-config for getting blas and lapack directories
+
 * Fri Aug 28 2020 Iñaki Úcar <iucar@fedoraproject.org> - 3.0.3-1
 - Update to 3.0.3, fixes ScaLAPACK issues