diff --git a/Makefile b/Makefile
index 775ee838c3..5f873986a9 100644
--- a/Makefile
+++ b/Makefile
@@ -1041,6 +1041,7 @@ ifeq ($(uname_S),HP-UX)
 	NO_UNSETENV = YesPlease
 	NO_HSTRERROR = YesPlease
 	NO_SYS_SELECT_H = YesPlease
+	NO_FNMATCH_CASEFOLD = YesPlease
 	SNPRINTF_RETURNS_BOGUS = YesPlease
 	NO_NSEC = YesPlease
 	ifeq ($(uname_R),B.11.00)