diff --git a/templates/common/build_icon.sh b/templates/common/build_icon.sh
index 12687f1cb059764a1848510d3845688eda042764..7b1796b67a6b7a8dfe68038cd4462278c6530f96 100644
--- a/templates/common/build_icon.sh
+++ b/templates/common/build_icon.sh
@@ -14,7 +14,7 @@ cd ${WORKDIR}
 . ${WORKDIR}/proj/platforms/common/spack_utils.sh
 load_spack "%spack.init%" "%spack.root%" "%spack.url%" "%spack.branch%" "%spack.compiler%" "%spack.disable_local_config%" "%spack.user_cache_path%"
 
-SPACK_BUILD_ICON="%icon.spack_cmd%"
+SPACK_BUILD_ICON="%spack.build_cmd%"
 if [ ! -z "$SPACK_BUILD_ICON" ]; then
   echo "Installing ICON with spack!"
   echo "cmd=$SPACK_BUILD_ICON"
@@ -22,7 +22,7 @@ if [ ! -z "$SPACK_BUILD_ICON" ]; then
   spack install $SPACK_BUILD_ICON
   spack load $SPACK_BUILD_ICON
 else
-  echo "%icon.spack_cmd% is not defined. If you want to compile icon with spack, please provide a spack compile instruction string in your proj.yaml"
+  echo "\%icon.spack_cmd\% is not defined. If you want to compile icon with spack, please provide a spack compile instruction string in your build.yml"
 fi
 
 # Need to get ECCODES DWD definitions: