diff --git a/ChangeLog b/ChangeLog
index 75b1e870c1..1f20a6936e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2026-07-14  Bruno Haible  <bruno@clisp.org>
 
+	vasprintf-extra-tests: Refactor.
+	* tests/test-vasprintf-big1.c: Renamed from tests/test-vasprintf-big.c.
+	* modules/vasprintf-extra-tests: Update.
+
 	vasnprintf-extra-tests: Refactor.
 	* tests/test-vasnprintf-big1.c: New file, based on
 	tests/test-vasnprintf-big.c.
diff --git a/modules/vasprintf-extra-tests b/modules/vasprintf-extra-tests
index 5a99516681..21d9de8f02 100644
--- a/modules/vasprintf-extra-tests
+++ b/modules/vasprintf-extra-tests
@@ -2,7 +2,7 @@ Status:
 longrunning-test
 
 Files:
-tests/test-vasprintf-big.c
+tests/test-vasprintf-big1.c
 tests/macros.h
 
 Depends-on:
@@ -10,5 +10,5 @@ Depends-on:
 configure.ac:
 
 Makefile.am:
-TESTS += test-vasprintf-big
-check_PROGRAMS += test-vasprintf-big
+TESTS += test-vasprintf-big1
+check_PROGRAMS += test-vasprintf-big1
diff --git a/tests/test-vasprintf-big.c b/tests/test-vasprintf-big1.c
similarity index 100%
rename from tests/test-vasprintf-big.c
rename to tests/test-vasprintf-big1.c