diff --git a/src/observations/observations.F90 b/src/observations/observations.F90
index 076e1e319fc8f25cad468cd113dfaf7794d6017a..dae8d8848e692f21e3a2c87964ae7a5bb5623320 100644
--- a/src/observations/observations.F90
+++ b/src/observations/observations.F90
@@ -373,7 +373,7 @@
 
    namelist /aprofile/                                          &       !CHG5
             a_prof_method,a_analyt_method,                      &
-            z_a1,a_1,z_a2,a_2,a_prof_file
+            z_a1,a_1,z_a2,a_2,a_prof_file,                      &
             ARelaxTauM,ARelaxTauB,ARelaxTauS,                   &
             ARelaxBott,ARelaxSurf