diff --git a/unit_tests/fdt/dtifit/feedsRun b/unit_tests/fdt/dtifit/feedsRun
index 443a1909c2bcc450fb2d05e0b50abf9629f8301f..bea1b60153c38c1b2d39070f7d35eeea6d593dd4 100755
--- a/unit_tests/fdt/dtifit/feedsRun
+++ b/unit_tests/fdt/dtifit/feedsRun
@@ -68,7 +68,7 @@ def gen_data():
                 bvals[25:] = 2000.
             bvals[::10] = 0.
 
-            bvecs_fn = np.genfromtxt(os.path.join(OUTDIR, "bvecs"))
+            bvecs_fn = os.path.join(OUTDIR, "bvecs")
             run(['gps', '--ndir=50', '--out={}'.format(bvecs_fn)], check=True)
             bvecs = np.genfromtxt(bvecs_fn)
             assert bvecs.shape == (50, 3), f"GPS produced bvecs-file with shape {bvecs.shape} rather than the expected (50, 3)"