diff --git a/generate-stackbrew-library.sh b/generate-stackbrew-library.sh
index f676a33328b4b3a08f34392f93b08f672b91a624..7af33b638b7be1bfb83bc4bad1209980e88f23c6 100755
--- a/generate-stackbrew-library.sh
+++ b/generate-stackbrew-library.sh
@@ -83,7 +83,7 @@ for version in "${versions[@]}"; do
 
     for v in \
         buster/{jdk-15,jdk-11,jdk-8}/{,slim} \
-        windowsservercore-{1809,ltsc2016}/{jdk-15,jdk-11,jdk-8} \
+        windowsservercore-{1809,ltsc2016}/{jdk-15,jdk-11,jdk-8}/ \
     ; do
         os="${v%%/*}"
         javaVariant="${v%/*}"