diff --git a/tests/hf_grad_lda/hf.inp b/tests/hf_grad_lda/hf.inp
index 4109d374e..43ebe5f04 100644
--- a/tests/hf_grad_lda/hf.inp
+++ b/tests/hf_grad_lda/hf.inp
@@ -14,6 +14,10 @@ $end
 translate = false
 }
 
+Forces {
+    method = 'hellmann_feynman'
+}
+
 WaveFunction {
   method = LDA                      # Wave function method (HF or DFT)
 }