diff --git a/tests/ATOM/regtest-2/He_4.inp b/tests/ATOM/regtest-2/He_4.inp
index 6122493262..098304ca35 100644
--- a/tests/ATOM/regtest-2/He_4.inp
+++ b/tests/ATOM/regtest-2/He_4.inp
@@ -8,11 +8,17 @@
   COULOMB_INTEGRALS ANALYTIC
   EXCHANGE_INTEGRALS ANALYTIC
   &METHOD
-     METHOD_TYPE UKS
-     &XC
-        &XC_FUNCTIONAL TPSS
-        &END
-     &END
+    METHOD_TYPE UKS
+    &XC
+      &XC_FUNCTIONAL
+        &LIBXC
+          FUNCTIONAL MGGA_X_TPSS
+        &END LIBXC
+        &LIBXC
+          FUNCTIONAL MGGA_C_TPSS
+        &END LIBXC
+      &END XC_FUNCTIONAL
+    &END XC
   &END METHOD
   &AE_BASIS
      BASIS_TYPE CONTRACTED_GTO
diff --git a/tests/QS/regtest-gpw-2-3/H2O-tpss_lsd.inp b/tests/QS/regtest-gpw-2-3/H2O-tpss_lsd.inp
index 361c3078f3..1296e8e4cb 100644
--- a/tests/QS/regtest-gpw-2-3/H2O-tpss_lsd.inp
+++ b/tests/QS/regtest-gpw-2-3/H2O-tpss_lsd.inp
@@ -17,8 +17,12 @@
       DENSITY_SMOOTH_CUTOFF_RANGE 0
       FUNCTIONAL_ROUTINE NEW
       &XC_FUNCTIONAL
-        &TPSS
-        &END TPSS
+        &LIBXC
+          FUNCTIONAL MGGA_X_TPSS
+        &END LIBXC
+        &LIBXC
+          FUNCTIONAL MGGA_C_TPSS
+        &END LIBXC
       &END XC_FUNCTIONAL
       &XC_GRID
         XC_DERIV NN50_SMOOTH