diff --git a/tests/testReading.c b/tests/testReading.c
index 930434e7118ca175185cc2c8f13e83f486e91d2c..b47b0419101443371b75d150afa934f91593c4ff 100644
--- a/tests/testReading.c
+++ b/tests/testReading.c
@@ -45,7 +45,7 @@ int main() {
 
   /* Read data */
   read_ic_single("input.hdf5", &us, dim, &parts, &gparts, &sparts, &Ngas,
-                 &Ngpart, &Nspart, &periodic, &flag_entropy_ICs, 1, 1, 0, 0);
+                 &Ngpart, &Nspart, &periodic, &flag_entropy_ICs, 1, 1, 0, 1, 0);
 
   /* Check global properties read are correct */
   assert(dim[0] == boxSize);