diff --git a/tests/data/input/dflowfm_individual_files/polylines/tfl_01-scientific-notation.pli b/tests/data/input/dflowfm_individual_files/polylines/tfl_01-scientific-notation.pli
new file mode 100644
index 000000000..60c040d7c
--- /dev/null
+++ b/tests/data/input/dflowfm_individual_files/polylines/tfl_01-scientific-notation.pli
@@ -0,0 +1,4 @@
+tfl_01
+	2      2
+	0.00000000000000000e+00	0.00000000000000000e+00
+	0.00000000000000000e+00	2.00000000000000000e+00