diff --git a/Makefile b/Makefile
index 8d81095765..7fad9f7ff6 100644
--- a/Makefile
+++ b/Makefile
@@ -637,6 +637,7 @@ ifeq ($(uname_S),SunOS)
 	NO_MEMMEM = YesPlease
 	NO_HSTRERROR = YesPlease
 	NO_MKDTEMP = YesPlease
+	OLD_ICONV = UnfortunatelyYes
 	ifeq ($(uname_R),5.8)
 		NEEDS_LIBICONV = YesPlease
 		NO_UNSETENV = YesPlease