diff --git a/gstlal-inspiral/bin/gstlal_inspiral_compute_dtdphideff_cov_matrix b/gstlal-inspiral/bin/gstlal_inspiral_compute_dtdphideff_cov_matrix
index f80aac6b5d9bf554c7353368900da48c40f09fd9..edfd5e597869cf3eac4983033afaa8d0ed04dbfa 100755
--- a/gstlal-inspiral/bin/gstlal_inspiral_compute_dtdphideff_cov_matrix
+++ b/gstlal-inspiral/bin/gstlal_inspiral_compute_dtdphideff_cov_matrix
@@ -17,7 +17,7 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 import argparse
 import itertools
-scipy.interpolate
+import scipy.interpolate
 import numpy
 from lal import series
 from gstlal import templates