diff --git a/projects/rdc/src/RPM_postun.in b/projects/rdc/src/RPM_postun.in
index 377f96a64c..328d7aaec8 100755
--- a/projects/rdc/src/RPM_postun.in
+++ b/projects/rdc/src/RPM_postun.in
@@ -9,7 +9,7 @@ do_update_alternatives(){
 
     for i in "${binaries[@]}"
     do
-        update-alternatives --remove "$i" @CPACK_PACKAGING_INSTALL_PREFIX@/@CMAKE_INSTALL_BINDIR@/$i
+        update-alternatives --remove "$i" $RPM_INSTALL_PREFIX0/@CMAKE_INSTALL_BINDIR@/$i
     done
 }
 
diff --git a/projects/rdc/src/RPM_preun.in b/projects/rdc/src/RPM_preun.in
index 1c0387275e..591da0b8d3 100644
--- a/projects/rdc/src/RPM_preun.in
+++ b/projects/rdc/src/RPM_preun.in
@@ -3,5 +3,5 @@
 if [ $1 -le 1 ]; then
     # perform the below actions for rpm remove($1=0) or upgrade($1=1) operations
     # remove pyc file generated by python
-    rm -rf /@CPACK_PACKAGING_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBEXECDIR@/@RDC@/python_binding/__pycache__
+    rm -rf /$RPM_INSTALL_PREFIX0/@CMAKE_INSTALL_LIBEXECDIR@/@RDC@/python_binding/__pycache__
 fi
diff --git a/projects/rdc/src/RPM_rpm_post.in b/projects/rdc/src/RPM_rpm_post.in
index bf7e8f0298..6bdf892e71 100755
--- a/projects/rdc/src/RPM_rpm_post.in
+++ b/projects/rdc/src/RPM_rpm_post.in
@@ -40,12 +40,12 @@ do_update_alternatives(){
     do
         # No obvious recover strategy if things fail
         # No manual or other slave pages to install
-        if [ -e @CPACK_PACKAGING_INSTALL_PREFIX@/@CMAKE_INSTALL_BINDIR@/"$i" ]
+        if [ -e $RPM_INSTALL_PREFIX0/@CMAKE_INSTALL_BINDIR@/"$i" ]
         then
             update-alternatives --install /usr/bin/"$i" "$i" \
-                                @CPACK_PACKAGING_INSTALL_PREFIX@/@CMAKE_INSTALL_BINDIR@/"$i" "$altscore"
+                                $RPM_INSTALL_PREFIX0/@CMAKE_INSTALL_BINDIR@/"$i" "$altscore"
         else
-            echo "@CPACK_PACKAGING_INSTALL_PREFIX@/@CMAKE_INSTALL_BINDIR@/$i not found, but that is OK" >&2
+            echo "$RPM_INSTALL_PREFIX0/@CMAKE_INSTALL_BINDIR@/$i not found, but that is OK" >&2
         fi
     done
     true
@@ -78,7 +78,7 @@ do_create_rdc_user() {
 
 create_rdc_service() {
     if [ -d /run/systemd/system ]; then
-        ln -s -f -r @CPACK_PACKAGING_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBEXECDIR@/rdc/rdc.service @DISTRO_ROOT@/rdc.service
+        ln -s -f -r $RPM_INSTALL_PREFIX0/@CMAKE_INSTALL_LIBEXECDIR@/rdc/rdc.service @DISTRO_ROOT@/rdc.service
     fi
 }