diff --git a/icu4c/source/test/cintltst/ulistfmttest.c b/icu4c/source/test/cintltst/ulistfmttest.c
index 69da020792..ae4dc2d064 100644
--- a/icu4c/source/test/cintltst/ulistfmttest.c
+++ b/icu4c/source/test/cintltst/ulistfmttest.c
@@ -66,58 +66,58 @@ static void TestUListFmt() {
         if ( U_FAILURE(status) ) {
             log_data_err("ERROR: ulistfmt_open fails for locale %s, status %s\n", lftep->locale, u_errorName(status));
         } else {
-        	UChar ubufActual[kUBufMax];
-        	int32_t ulenActual = ulistfmt_format(listfmt, strings, stringLengths, lftep->stringCount, ubufActual, kUBufMax, &status);
-        	if ( U_FAILURE(status) ) {
+            UChar ubufActual[kUBufMax];
+            int32_t ulenActual = ulistfmt_format(listfmt, strings, stringLengths, lftep->stringCount, ubufActual, kUBufMax, &status);
+            if ( U_FAILURE(status) ) {
                 log_err("ERROR: ulistfmt_format fails for locale %s count %d (real lengths), status %s\n", lftep->locale, lftep->stringCount, u_errorName(status));
-        	} else {
-        	    UChar ubufExpected[kUBufMax];
-        	    int32_t ulenExpected = u_unescape(lftep->expectedResult, ubufExpected, kUBufMax);
-        	    if (ulenActual != ulenExpected || u_strncmp(ubufActual, ubufExpected, ulenExpected) != 0) {
+            } else {
+                UChar ubufExpected[kUBufMax];
+                int32_t ulenExpected = u_unescape(lftep->expectedResult, ubufExpected, kUBufMax);
+                if (ulenActual != ulenExpected || u_strncmp(ubufActual, ubufExpected, ulenExpected) != 0) {
                     log_err("ERROR: ulistfmt_format for locale %s count %d (real lengths), actual \"%s\" != expected \"%s\"\n", lftep->locale,
                             lftep->stringCount, aescstrdup(ubufActual, ulenActual), aescstrdup(ubufExpected, ulenExpected));
-        	    }
-        	}
-        	/* try again with all lengths -1 */
-        	status = U_ZERO_ERROR;
-        	ulenActual = ulistfmt_format(listfmt, strings, stringLengthsNeg, lftep->stringCount, ubufActual, kUBufMax, &status);
-        	if ( U_FAILURE(status) ) {
+                }
+            }
+            /* try again with all lengths -1 */
+            status = U_ZERO_ERROR;
+            ulenActual = ulistfmt_format(listfmt, strings, stringLengthsNeg, lftep->stringCount, ubufActual, kUBufMax, &status);
+            if ( U_FAILURE(status) ) {
                 log_err("ERROR: ulistfmt_format fails for locale %s count %d (-1 lengths), status %s\n", lftep->locale, lftep->stringCount, u_errorName(status));
-        	} else {
-        	    UChar ubufExpected[kUBufMax];
-        	    int32_t ulenExpected = u_unescape(lftep->expectedResult, ubufExpected, kUBufMax);
-        	    if (ulenActual != ulenExpected || u_strncmp(ubufActual, ubufExpected, ulenExpected) != 0) {
+            } else {
+                UChar ubufExpected[kUBufMax];
+                int32_t ulenExpected = u_unescape(lftep->expectedResult, ubufExpected, kUBufMax);
+                if (ulenActual != ulenExpected || u_strncmp(ubufActual, ubufExpected, ulenExpected) != 0) {
                     log_err("ERROR: ulistfmt_format for locale %s count %d (-1   lengths), actual \"%s\" != expected \"%s\"\n", lftep->locale,
                             lftep->stringCount, aescstrdup(ubufActual, ulenActual), aescstrdup(ubufExpected, ulenExpected));
-        	    }
-        	}
-        	/* try again with NULL lengths */
-        	status = U_ZERO_ERROR;
-        	ulenActual = ulistfmt_format(listfmt, strings, NULL, lftep->stringCount, ubufActual, kUBufMax, &status);
-        	if ( U_FAILURE(status) ) {
+                }
+            }
+            /* try again with NULL lengths */
+            status = U_ZERO_ERROR;
+            ulenActual = ulistfmt_format(listfmt, strings, NULL, lftep->stringCount, ubufActual, kUBufMax, &status);
+            if ( U_FAILURE(status) ) {
                 log_err("ERROR: ulistfmt_format fails for locale %s count %d (NULL lengths), status %s\n", lftep->locale, lftep->stringCount, u_errorName(status));
-        	} else {
-        	    UChar ubufExpected[kUBufMax];
-        	    int32_t ulenExpected = u_unescape(lftep->expectedResult, ubufExpected, kUBufMax);
-        	    if (ulenActual != ulenExpected || u_strncmp(ubufActual, ubufExpected, ulenExpected) != 0) {
+            } else {
+                UChar ubufExpected[kUBufMax];
+                int32_t ulenExpected = u_unescape(lftep->expectedResult, ubufExpected, kUBufMax);
+                if (ulenActual != ulenExpected || u_strncmp(ubufActual, ubufExpected, ulenExpected) != 0) {
                     log_err("ERROR: ulistfmt_format for locale %s count %d (NULL lengths), actual \"%s\" != expected \"%s\"\n", lftep->locale,
                             lftep->stringCount, aescstrdup(ubufActual, ulenActual), aescstrdup(ubufExpected, ulenExpected));
-        	    }
-        	}
-        	
-        	/* try calls that should return error */
-        	status = U_ZERO_ERROR;
-        	ulenActual = ulistfmt_format(listfmt, NULL, NULL, lftep->stringCount, ubufActual, kUBufMax, &status);
-        	if (status != U_ILLEGAL_ARGUMENT_ERROR || ulenActual > 0) {
-        	    log_err("ERROR: ulistfmt_format for locale %s count %d with NULL strings, expected U_ILLEGAL_ARGUMENT_ERROR, got %s, result %d\n", lftep->locale,
-        	            lftep->stringCount, u_errorName(status), ulenActual);
-        	}
-        	status = U_ZERO_ERROR;
-        	ulenActual = ulistfmt_format(listfmt, strings, NULL, lftep->stringCount, NULL, kUBufMax, &status);
-        	if (status != U_ILLEGAL_ARGUMENT_ERROR || ulenActual > 0) {
-        	    log_err("ERROR: ulistfmt_format for locale %s count %d with NULL result, expected U_ILLEGAL_ARGUMENT_ERROR, got %s, result %d\n", lftep->locale,
-        	            lftep->stringCount, u_errorName(status), ulenActual);
-        	}
+                }
+            }
+            
+            /* try calls that should return error */
+            status = U_ZERO_ERROR;
+            ulenActual = ulistfmt_format(listfmt, NULL, NULL, lftep->stringCount, ubufActual, kUBufMax, &status);
+            if (status != U_ILLEGAL_ARGUMENT_ERROR || ulenActual > 0) {
+                log_err("ERROR: ulistfmt_format for locale %s count %d with NULL strings, expected U_ILLEGAL_ARGUMENT_ERROR, got %s, result %d\n", lftep->locale,
+                        lftep->stringCount, u_errorName(status), ulenActual);
+            }
+            status = U_ZERO_ERROR;
+            ulenActual = ulistfmt_format(listfmt, strings, NULL, lftep->stringCount, NULL, kUBufMax, &status);
+            if (status != U_ILLEGAL_ARGUMENT_ERROR || ulenActual > 0) {
+                log_err("ERROR: ulistfmt_format for locale %s count %d with NULL result, expected U_ILLEGAL_ARGUMENT_ERROR, got %s, result %d\n", lftep->locale,
+                        lftep->stringCount, u_errorName(status), ulenActual);
+            }
 
             ulistfmt_close(listfmt);
         }