diff --git a/model/css-rdn1edge.sh b/model/css-rdn1edge.sh
index 995aa81..f68b422 100644
--- a/model/css-rdn1edge.sh
+++ b/model/css-rdn1edge.sh
@@ -5,7 +5,7 @@
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
-set_model_path "$warehouse/SysGen/SubSystemModels/11.17/33/models/$model_flavour/FVP_RD_N1_edge"
+set_model_path "$warehouse/SysGen/SubSystemModels/11.15/26/models/Linux64_GCC-6.4/FVP_RD_N1_edge"
 
 cat <<EOF >"$model_param_file"
 -C board.flashloader0.fname=$fip_bin
diff --git a/model/css-sgi575.sh b/model/css-sgi575.sh
index e09c5d7..6681ee5 100644
--- a/model/css-sgi575.sh
+++ b/model/css-sgi575.sh
@@ -5,7 +5,7 @@
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
-set_model_path "$warehouse/SysGen/SubSystemModels/11.17/33/models/$model_flavour/FVP_CSS_SGI-575"
+set_model_path "$warehouse/SysGen/SubSystemModels/11.15/26/models/Linux64_GCC-6.4/FVP_CSS_SGI-575"
 
 cat <<EOF >"$model_param_file"
 -C board.flashloader0.fname=$fip_bin