diff --git a/meta/recipes-support/isar-exclude-docs/files/postinst b/meta/recipes-support/isar-exclude-docs/files/postinst
index d34c04e..581cdc1 100644
--- a/meta/recipes-support/isar-exclude-docs/files/postinst
+++ b/meta/recipes-support/isar-exclude-docs/files/postinst
@@ -3,5 +3,5 @@
 # time and do not need to be "the first" package
 # what we delete needs to be in sync with the dpkg configuration we ship
 
-rm -rf /usr/share/man/*
+find /usr/share/man/ -type f -exec rm -rf {} \;
 find /usr/share/doc/ -type f ! -name "copyright" ! -name "changelog.*" -exec rm -rf {} \;

Here you are the error during the configuration of the package:

Setting up openjdk-11-jre-headless:amd64 (11.0.16+8-1~deb11u1) ...
update-alternatives: using /usr/lib/jvm/java-11-openjdk-amd64/bin/java to provide /usr/bin/java (java) in auto mode
update-alternatives: error: error creating symbolic link '/usr/share/man/man1/java.1.gz.dpkg-tmp': No such file or directory
dpkg: error processing package openjdk-11-jre-headless:amd64 (--configure):
 installed openjdk-11-jre-headless:amd64 package post-installation script subprocess returned error exit status 2
dpkg: dependency problems prevent configuration of openjdk-11-jre:amd64:
 openjdk-11-jre:amd64 depends on openjdk-11-jre-headless (= 11.0.16+8-1~deb11u1); however:
  Package openjdk-11-jre-headless:amd64 is not configured yet.