diff --git a/examples/sample.source.TAP3/Makefile b/examples/sample.source.TAP3/Makefile
index 3dfb47f..65e4a53 100644
--- a/examples/sample.source.TAP3/Makefile
+++ b/examples/sample.source.TAP3/Makefile
@@ -726,6 +726,7 @@
 	@echo ================
 
 distclean: clean
-	rm -f $(ASN_MODULE_SOURCES) $(ASN_MODULE_HEADERS)
+	rm -f $(ASN_MODULE_SOURCES)
+	rm -f $(ASN_MODULE_HEADERS)
 	rm -f $(ASN_CONVERTER_SOURCES) $(ASN_CONVERTER_HEADERS)
 	rm -f Makefile.am.sample