diff --git a/release-manifest-image/_service b/release-manifest-image/_service
index d9e13b3..7c9a7b4 100644
--- a/release-manifest-image/_service
+++ b/release-manifest-image/_service
@@ -6,11 +6,15 @@
     <param name="var">IMG_PREFIX</param>
     <param name="eval">IMG_REPO=$(rpm --macros=/root/.rpmmacros -E %img_repo)</param>
     <param name="var">IMG_REPO</param>
+    <param name="eval">SUPPORT_LEVEL=$(rpm --macros=/root/.rpmmacros -E %support_level)</param>
+    <param name="var">SUPPORT_LEVEL</param>
+  </service>
+  <service name="replace_using_env" mode="buildtime">
+    <param name="eval">IMG_PREFIX=$(rpm --macros=/root/.rpmmacros -E %{?img_prefix})</param>
+    <param name="var">IMG_PREFIX</param>
     <param name="file">release_manifest.yaml</param>
     <param name="eval">CHART_REPO=$(rpm --macros=/root/.rpmmacros -E %chart_repo)</param>
     <param name="var">CHART_REPO</param>
-    <param name="eval">SUPPORT_LEVEL=$(rpm --macros=/root/.rpmmacros -E %support_level)</param>
-    <param name="var">SUPPORT_LEVEL</param>
     <param name="eval">CHART_MAJOR=$(rpm --macros=/root/.rpmmacros -E %{?chart_major})</param>
     <param name="var">CHART_MAJOR</param>
   </service>