diff --git a/scalar.c b/scalar.c
index 3030202c9794d4..120daea1f6e116 100644
--- a/scalar.c
+++ b/scalar.c
@@ -1403,7 +1403,7 @@ int cmd_main(int argc, const char **argv)
 	if (is_unattended()) {
 		setenv("GIT_ASKPASS", "", 0);
 		setenv("GIT_TERMINAL_PROMPT", "false", 0);
-		git_config_push_parameter("credential.interactive=never");
+		git_config_push_parameter("credential.interactive=false");
 	}
 
 	while (argc > 1 && *argv[1] == '-') {
diff --git a/t/t9210-scalar.sh b/t/t9210-scalar.sh
index 95036693e10dc2..fbbf641881ac3f 100755
--- a/t/t9210-scalar.sh
+++ b/t/t9210-scalar.sh
@@ -303,7 +303,11 @@ test_expect_success 'start GVFS-enabled server' '
 test_expect_success '`scalar clone` with GVFS-enabled server' '
 	: the fake cache server requires fake authentication &&
 	git config --global core.askPass true &&
-	scalar clone --single-branch -- http://$HOST_PORT/ using-gvfs &&
+
+	# We must set credential.interactive=true to bypass a setting
+	# in "scalar clone" that disables interactive credentials during
+	# an unattended command.
+	scalar -c credential.interactive=true clone --single-branch -- http://$HOST_PORT/ using-gvfs &&
 
 	: verify that the shared cache has been configured &&
 	cache_key="url_$(printf "%s" http://$HOST_PORT/ |