diff --git a/input.cc b/input.cc
index 84be50723..56e3b2312 100644
--- a/input.cc
+++ b/input.cc
@@ -1020,6 +1020,7 @@ void read_atomicdata_files() {
 
   globals::nbfcontinua_ground = 0;
   globals::nbfcontinua = 0;
+  tmpallphixs.clear();
 
   // read in photoionisation cross sections
   phixs_file_version_exists[0] = false;