diff --git a/panda/metalibs/pandaexpress/Sources.pp b/panda/metalibs/pandaexpress/Sources.pp
index 61ee6d6681..0611100bed 100644
--- a/panda/metalibs/pandaexpress/Sources.pp
+++ b/panda/metalibs/pandaexpress/Sources.pp
@@ -15,4 +15,7 @@
   #define TARGET pandaexpress
 
   #define SOURCES pandaexpress.cxx
+  #define WIN_SYS_LIBS \
+     advapi32.lib $[WIN_SYS_LIBS]
+
 #end metalib_target