diff --git a/config/RULES.Host b/config/RULES.Host
index eb9f93111..7a0bb7948 100644
--- a/config/RULES.Host
+++ b/config/RULES.Host
@@ -650,8 +650,8 @@ endif
 	@$(RM) $@
 	$(SNC) $(TARGET_SNCFLAGS) $(SNCFLAGS) $*.i
 
-%.c:	%.stt
-	@echo "converting $<
+%.c: ../%.stt
+	@echo "converting $<"
 	ln -s $< $*.st
 	$(SNC) $(TARGET_SNCFLAGS) $(SNCFLAGS) $*.st
 	@$(RM) $*.st
diff --git a/config/RULES.Unix b/config/RULES.Unix
index 13a7c15b7..6e255a676 100644
--- a/config/RULES.Unix
+++ b/config/RULES.Unix
@@ -148,8 +148,8 @@ $(TARGETS) $(PROD): $(DEPLIBS)
 	@$(RM) $@
 	$(SNC) $(TARGET_SNCFLAGS) $(SNCFLAGS) $*.i
 
-%.c: %.stt
-	@echo "converting $<
+%.c: ../%.stt
+	@echo "converting $<"
 	@$(RM) $@
 	$(SNC) $(TARGET_SNCFLAGS) $(SNCFLAGS) $<