diff --git a/namelists/icon_atmosphere_real-from-dwd-ana.namelist b/namelists/icon_atmosphere_real-from-dwd-ana.namelist
index c9422fd3440ed8730b6e9d39ee94f71efb845d56..94eb814ec1e29a0f329951c2ba2e33609cd82f2f 100644
--- a/namelists/icon_atmosphere_real-from-dwd-ana.namelist
+++ b/namelists/icon_atmosphere_real-from-dwd-ana.namelist
@@ -12,11 +12,11 @@
 /
 
 &time_nml
-    dt_restart = ${checkpoint_time}
+    dt_restart = %checkpoint_time%
 /
 
 &io_nml
-    dt_checkpoint = ${checkpoint_time}
+    dt_checkpoint = %checkpoint_time%
 /
 
 &nwp_phy_nml
@@ -25,20 +25,20 @@
 
 &grid_nml
     dynamics_parent_grid_id     = 0
-    dynamics_grid_filename      = '${dynamics_grid_filename}'
-    radiation_grid_filename     = '${radiation_grid_filename}'
+    dynamics_grid_filename      = '%dynamics_grid_filename%'
+    radiation_grid_filename     = '%radiation_grid_filename%'
     lredgrid_phys               = .true.
 /
 
 &extpar_nml
     itopo                       = 1
-    extpar_filename             = '${external_parameters_filename}'
+    extpar_filename             = '%external_parameters_filename%'
 /
 
 &initicon_nml
     init_mode                   = 1,
-    dwdfg_filename              = '$FG_FILE'
-    dwdana_filename             = '$AN_FILE'
+    dwdfg_filename              = '%first_guess_filename%'
+    dwdana_filename             = '%analysis_filename%'
     lconsistency_checks         = .false.
     ana_varnames_map_file       = 'ana_varnames_map_file.txt'
 /
@@ -69,8 +69,8 @@
 ! LATBC files, these files will be used as input for the next example.
 &output_nml
     file_interval               = 'PT3600S'
-    output_start                = '${Chunk_START_DATE}'
-    output_end                  = '${Chunk_END_DATE}'
+    output_start                = '%Chunk_START_DATE%'
+    output_end                  = '%Chunk_END_DATE%'
     output_filename             = "latbc"
     output_interval             = 'PT3600S'
     include_last                = .true.
@@ -80,8 +80,8 @@
 ! First Guess file
 &output_nml
     file_interval               = 'PT3600S'
-    output_start                = '${Chunk_START_DATE}'
-    output_end                  = '${Chunk_END_DATE}'
+    output_start                = '%Chunk_START_DATE%'
+    output_end                  = '%Chunk_END_DATE%'
     output_filename             = "init"
     output_interval             = 'PT3600S'
     include_last                = .true.
diff --git a/namelists/icon_master_real-from-dwd-ana.namelist b/namelists/icon_master_real-from-dwd-ana.namelist
index a031b6d04e475bc2d0aecd95e0f93aad19e2e4c0..fe401c4424536da7f88b7dd09bfc28b6d531b197 100644
--- a/namelists/icon_master_real-from-dwd-ana.namelist
+++ b/namelists/icon_master_real-from-dwd-ana.namelist
@@ -1,5 +1,5 @@
 &master_nml
-    lrestart                    = ${is_restart}
+    lrestart                    = "%is_restart%"
     lrestart_write_last         = .true.
 /
 
@@ -11,6 +11,6 @@
 
 &master_time_control_nml
     calendar                    = "proleptic gregorian"
-    experimentStartDate         = '${Chunk_START_DATE}'
-    experimentStopDate          = '${Chunk_END_DATE}'
+    experimentStartDate         = '%Chunk_START_DATE%'
+    experimentStopDate          = '%Chunk_END_DATE%'
 /
\ No newline at end of file