diff --git a/modules/build/puppet/secgen_functions/manifests/install_setgid_binary.pp b/modules/build/puppet/secgen_functions/manifests/install_setgid_binary.pp
index c6ae89652..da6c99d56 100644
--- a/modules/build/puppet/secgen_functions/manifests/install_setgid_binary.pp
+++ b/modules/build/puppet/secgen_functions/manifests/install_setgid_binary.pp
@@ -13,7 +13,7 @@ define secgen_functions::install_setgid_binary (
   $strings_to_leak = [''], # Optional: strings to leak (could contain instructions or a message)
 ) {
 
-  ensure_packages(['build-essentials','gcc-multilib'])
+  ensure_packages(['build-essential','gcc-multilib'])
 
   if !$account {
     err('install: account is required for setgid challenges')
diff --git a/modules/build/puppet/secgen_functions/manifests/install_setgid_script.pp b/modules/build/puppet/secgen_functions/manifests/install_setgid_script.pp
index 0eba22953..d488dbebf 100644
--- a/modules/build/puppet/secgen_functions/manifests/install_setgid_script.pp
+++ b/modules/build/puppet/secgen_functions/manifests/install_setgid_script.pp
@@ -16,7 +16,7 @@ define secgen_functions::install_setgid_script (
   $strings_to_leak = [''], # Optional: strings to leak (could contain instructions or a message)
 ) {
 
-  ensure_packages(['build-essentials','gcc-multilib'])
+  ensure_packages(['build-essential','gcc-multilib'])
 
   if $group and $group[0] {
     $grp = $group[0]