diff --git a/icu4c/source/common/ucnv_io.c b/icu4c/source/common/ucnv_io.c
index 351a89323da..feaa86d7d0b 100644
--- a/icu4c/source/common/ucnv_io.c
+++ b/icu4c/source/common/ucnv_io.c
@@ -853,7 +853,7 @@ ucnv_io_getDefaultConverterName() {
                 name = "US-ASCII";
                 /* there is no 'algorithmic' converter for EBCDIC */
 #elif defined(OS390)
-                name = "ibm-1047-s390";
+                name = "ibm-1047" UCNV_SWAP_LFNL_OPTION_STRING;
 #else
                 name = "ibm-37";
 #endif