diff --git a/icu4c/source/tools/makeconv/ucmfiles.mk b/icu4c/source/tools/makeconv/ucmfiles.mk
index 75d9a780083..d260a393972 100644
--- a/icu4c/source/tools/makeconv/ucmfiles.mk
+++ b/icu4c/source/tools/makeconv/ucmfiles.mk
@@ -61,7 +61,7 @@ ibm-1164.ucm ibm-285.ucm ibm-858.ucm ibm-949.ucm\
 ibm-1250.ucm ibm-290.ucm ibm-859.ucm ibm-950.ucm\
 ibm-1251.ucm ibm-297.ucm ibm-860.ucm ibm-970.ucm\
 ibm-1388.ucm ibm-1162.ucm ibm-939.ucm ibm-941.ucm\
-jisx-201.ucm jisx-208.ucm jisx-212.ucm gb18030.ucm gb_2312_80-1.ucm \
+jisx-201.ucm jisx-208.ucm jisx-212.ucm gb18030.ucm gb_2312_80-1.ucm\
 ksc_5601_1.ucm\
 iso-ir-165.ucm cns-11643-1992.ucm ibm-1252.ucm ibm-37-s390.ucm ibm-861.ucm\
 lmb-excp.ucm ibm-33722.ucm ibm-964.ucm