diff --git a/dtool/pptempl/Global.pp b/dtool/pptempl/Global.pp
index c9f9dfb9f4..8b4e084b15 100644
--- a/dtool/pptempl/Global.pp
+++ b/dtool/pptempl/Global.pp
@@ -381,6 +381,8 @@
 
   #if $[WINDOWS_PLATFORM]
     #set alt_libs $[alt_libs] $[WIN_SYS_LIBS] $[components $[WIN_SYS_LIBS],$[active_component_libs] $[transitive_link]]
+  #else
+    #set alt_libs $[alt_libs] $[UNIX_SYS_LIBS] $[components $[UNIX_SYS_LIBS],$[active_component_libs] $[transitive_link]]
   #endif
 
   #foreach package $[use_packages]