diff --git a/src/ca/Makefile.Host b/src/ca/Makefile.Host
index 70dc530e8..b55a8aa94 100644
--- a/src/ca/Makefile.Host
+++ b/src/ca/Makefile.Host
@@ -46,7 +46,7 @@ PROD := caRepeater
 
 #	libs needed to build [TEST]PRODUCT
 PROD_LIBS := ca Com
-SYS_PROD_LIBS_WIN32 := ws2_32 winmm user32
+SYS_PROD_LIBS_WIN32 := ws2_32 user32 advapi32
 
 TESTPROD := catime acctst