diff --git a/configure/RULES_BUILD b/configure/RULES_BUILD
index 4225c5f80..7b4950082 100644
--- a/configure/RULES_BUILD
+++ b/configure/RULES_BUILD
@@ -315,7 +315,7 @@ $(OBJLIB_MUNCHNAME):%.munch : %_ctdt$(OBJ) %$(OBJ)
 	@$(RM) $@
 	$(MUNCH_CMD)
 
-runtests: $(TESTSCRIPTS_HOST)
+runtests: $(TESTSCRIPTS_$(BUILD_CLASS))
 	$(PERL) -e 'use Test::Harness; runtests @ARGV if @ARGV;' $^
 
 # If there's a perl test script (.plt) available, use it