diff --git a/icu4c/source/tools/makeconv/mkcnvfle.bat b/icu4c/source/tools/makeconv/mkcnvfle.bat
index 24f0a8115f4..ddf61c1af42 100755
--- a/icu4c/source/tools/makeconv/mkcnvfle.bat
+++ b/icu4c/source/tools/makeconv/mkcnvfle.bat
@@ -5,4 +5,4 @@ rem it's purpose is to build all the converter binary files (".cnv") from the
 rem existing *".ucm" files on the system
 rem this  batch file should be passed a string either "Release" or "Debug"
 rem so the script will know where "makeconv.exe" is
-for %%i in (%2\icu\data\*.ucm) do %2\icu\source\tools\makeconv\%1\makeconv %%i
+for %%i in (%2\icu\data\*.ucm %2\icu\data\ibm-16684.ucm %2\icu\data\ibm-16804.ucm %2\icu\data\ibm-17248.ucm %2\icu\data\ibm-21427.ucm %2\icu\data\ibm-12712.ucm) do %2\icu\source\tools\makeconv\%1\makeconv %%i