diff --git a/diffcore-rename.c b/diffcore-rename.c
index 91b77993c7..624304f041 100644
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -1406,7 +1406,7 @@ void diffcore_rename_extended(struct diff_options *options,
 
 	trace2_region_enter("diff", "setup", options->repo);
 	info.setup = 0;
-	assert(!dir_rename_count || strmap_empty(dir_rename_count));
+	ASSERT(!dir_rename_count || strmap_empty(dir_rename_count));
 	want_copies = (detect_rename == DIFF_DETECT_COPY);
 	if (dirs_removed && (break_idx || want_copies))
 		BUG("dirs_removed incompatible with break/copy detection");
diff --git a/merge-ort.c b/merge-ort.c
index 46e78c3ffa..d484f16cf2 100644
--- a/merge-ort.c
+++ b/merge-ort.c
@@ -791,7 +791,7 @@ static void path_msg(struct merge_options *opt,
 	struct strbuf tmp = STRBUF_INIT;
 
 	/* Sanity checks */
-	assert(omittable_hint ==
+	ASSERT(omittable_hint ==
 	       (!starts_with(type_short_descriptions[type], "CONFLICT") &&
 		!starts_with(type_short_descriptions[type], "ERROR")) ||
 	       type == CONFLICT_DIR_RENAME_SUGGESTED);
@@ -1642,7 +1642,7 @@ static int handle_deferred_entries(struct merge_options *opt,
 			ci = strmap_get(&opt->priv->paths, path);
 			VERIFY_CI(ci);
 
-			assert(renames->deferred[side].trivial_merges_okay &&
+			ASSERT(renames->deferred[side].trivial_merges_okay &&
 			       !strset_contains(&renames->deferred[side].target_dirs,
 						path));
 			resolve_trivial_directory_merge(ci, side);
diff --git a/merge-recursive.c b/merge-recursive.c
index 884ccf99a5..4fbbece922 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -1197,7 +1197,7 @@ static void print_commit(struct repository *repo, struct commit *commit)
 	struct pretty_print_context ctx = {0};
 	ctx.date_mode.type = DATE_NORMAL;
 	/* FIXME: Merge this with output_commit_title() */
-	assert(!merge_remote_util(commit));
+	ASSERT(!merge_remote_util(commit));
 	repo_format_commit_message(repo, commit, " %h: %m %s", &sb, &ctx);
 	fprintf(stderr, "%s\n", sb.buf);
 	strbuf_release(&sb);
diff --git a/object-file.c b/object-file.c
index 726e41a047..4fb3cd9dcb 100644
--- a/object-file.c
+++ b/object-file.c
@@ -2706,7 +2706,7 @@ static int index_stream_convert_blob(struct index_state *istate,
 	struct strbuf sbuf = STRBUF_INIT;
 
 	assert(path);
-	assert(would_convert_to_git_filter_fd(istate, path));
+	ASSERT(would_convert_to_git_filter_fd(istate, path));
 
 	convert_to_git_filter_fd(istate, path, fd, &sbuf,
 				 get_conv_flags(flags));
diff --git a/parallel-checkout.c b/parallel-checkout.c
index 7cc6b30528..57c2dcaa8f 100644
--- a/parallel-checkout.c
+++ b/parallel-checkout.c
@@ -277,7 +277,7 @@ static int write_pc_item_to_fd(struct parallel_checkout_item *pc_item, int fd,
 	ssize_t wrote;
 
 	/* Sanity check */
-	assert(is_eligible_for_parallel_checkout(pc_item->ce, &pc_item->ca));
+	ASSERT(is_eligible_for_parallel_checkout(pc_item->ce, &pc_item->ca));
 
 	filter = get_stream_filter_ca(&pc_item->ca, &pc_item->ce->oid);
 	if (filter) {
diff --git a/scalar.c b/scalar.c
index da42b4be0c..d359f08bb8 100644
--- a/scalar.c
+++ b/scalar.c
@@ -241,7 +241,7 @@ static int add_or_remove_enlistment(int add)
 
 static int start_fsmonitor_daemon(void)
 {
-	assert(have_fsmonitor_support());
+	ASSERT(have_fsmonitor_support());
 
 	if (fsmonitor_ipc__get_state() != IPC_STATE__LISTENING)
 		return run_git("fsmonitor--daemon", "start", NULL);
@@ -251,7 +251,7 @@ static int start_fsmonitor_daemon(void)
 
 static int stop_fsmonitor_daemon(void)
 {
-	assert(have_fsmonitor_support());
+	ASSERT(have_fsmonitor_support());
 
 	if (fsmonitor_ipc__get_state() == IPC_STATE__LISTENING)
 		return run_git("fsmonitor--daemon", "stop", NULL);
diff --git a/sequencer.c b/sequencer.c
index ad0ab75c8d..c625a39111 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -4965,7 +4965,7 @@ static int pick_commits(struct repository *r,
 
 	ctx->reflog_message = sequencer_reflog_action(opts);
 	if (opts->allow_ff)
-		assert(!(opts->signoff || opts->no_commit ||
+		ASSERT(!(opts->signoff || opts->no_commit ||
 			 opts->record_origin || should_edit(opts) ||
 			 opts->committer_date_is_author_date ||
 			 opts->ignore_date));