diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 48bab3f1..81346b17 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -57,6 +57,7 @@ function(PULL_DATA THE_URL THE_FILE)
 endfunction()
 
 # Copy necessary test data files.
+gu_copy_test_data(ref_copygb2_test_gdaswave_2.ip.grib2.degrib2)
 gu_copy_test_data(ref_copygb2_test_gdaswave.degrib2.txt)
 gu_copy_test_data(ref_gdaswave.t00z.wcoast.0p16.f000.grib2)
 gu_copy_test_data(ref_gdaswave.t00z.wcoast.0p16.f000.ip.grib2)