diff --git a/buildscripts/switch_rules b/buildscripts/switch_rules
index 9d34b393..429f9352 100644
--- a/buildscripts/switch_rules
+++ b/buildscripts/switch_rules
@@ -11,7 +11,7 @@ LIBNX	?=	$(DEVKITPRO)/libnx
 #---------------------------------------------------------------------------------
 %.pfs0: %.nso
 	@mkdir -p exefs
-	@cp -R $(BUILD_EXEFS_SRC)/* exefs/
+	@[ -d $(BUILD_EXEFS_SRC) ] && cp -R $(BUILD_EXEFS_SRC)/* exefs || echo > /dev/null
 	@cp $< exefs/main
 	@build_pfs0 exefs $@
 	@echo built ... $(notdir $@)
diff --git a/tools/.gitignore b/tools/.gitignore
index 7b071a86..04379574 100644
--- a/tools/.gitignore
+++ b/tools/.gitignore
@@ -1,2 +1,2 @@
-build_pfs0
-elf2nso
+build_pfs0*
+elf2nso*