diff --git a/layouts/partials/markdown/include_runtimes_versions.md b/layouts/partials/markdown/include_runtimes_versions.md
index 64c0134d..047bd4dd 100644
--- a/layouts/partials/markdown/include_runtimes_versions.md
+++ b/layouts/partials/markdown/include_runtimes_versions.md
@@ -3,7 +3,7 @@
 
 {{- range $runtimeFound := findRE $runtimesPattern $content -}}
     {{- $runtime := replaceRE $runtimesPattern "$1" $runtimeFound -}}
-    {{- $runtime = lower (strings.TrimSpace $runtime) -}}
+    {{- $runtime = lower (with $runtime | string | TrimSpace) -}}
     {{- $versions := index site.Data.runtime_versions $runtime -}}
     {{- $output := "" -}}