diff --git a/winsup/testsuite/Makefile.in b/winsup/testsuite/Makefile.in
index 50319cda4..aaa5851b2 100644
--- a/winsup/testsuite/Makefile.in
+++ b/winsup/testsuite/Makefile.in
@@ -13,8 +13,6 @@ srcdir:=@srcdir@
 objdir:=.
 libltp_srcdir=$(srcdir)/libltp
 
-VPATH:=$(srcdir):$(libltp_srcdir)/lib
-
 target_alias:=@target_alias@
 build_alias:=@build_alias@
 host_alias:=@host_alias@
@@ -64,6 +62,8 @@ MINGW_FE:=$(dir ${srcdir})/utils/mingw
 #
 include $(srcdir)/../Makefile.common
 
+VPATH+=$(libltp_srcdir)/lib
+
 override CC:=$(CC) $(GCC_INCLUDE)
 export CC