diff --git a/Makefile b/Makefile
index c50a5c26da16f5..a0a364d2de4eee 100644
--- a/Makefile
+++ b/Makefile
@@ -838,6 +838,10 @@ out/doc/api: doc/api
 # Using grouped targets (&:) so Make knows one command produces all outputs
 ifeq ($(OSTYPE),aix)
 # TODO(@nodejs/web-infra): AIX is currently hanging during HTML minification
+$(apidocs_html) $(apidocs_json) out/doc/api/all.html out/doc/api/all.json:
+	@echo "Skipping $@ (not currently supported by $(OSTYPE) machines)"
+else ifeq ($(OSTYPE),os400)
+# TODO(@nodejs/web-infra): IBMi is currently hanging during HTML minification
 $(apidocs_html) $(apidocs_json) out/doc/api/all.html out/doc/api/all.json:
 	@echo "Skipping $@ (not currently supported by $(OSTYPE) machines)"
 else