diff --git a/t/CMakeLists.txt b/t/CMakeLists.txt
index 4fb5f9bb1..9b0d5fa52 100644
--- a/t/CMakeLists.txt
+++ b/t/CMakeLists.txt
@@ -80,6 +80,7 @@ set(ALL_TESTS
   t4010-match-conf.t
   t4011-match-duration.t
   t4012-set-status.t
+  t4013-unreservable.sh
   t5000-valgrind.t
   t5100-issues-test-driver.t
   t6000-graph-size.t
diff --git a/t/t4013-unreservable.sh b/t/t4013-unreservable.sh
new file mode 100755
index 000000000..c83e0c6a5
--- /dev/null
+++ b/t/t4013-unreservable.sh
@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+#
+
+test_description='
+'
+
+. `dirname $0`/sharness.sh
+
+export TEST_UNDER_FLUX_QUORUM=1
+export TEST_UNDER_FLUX_START_MODE=leader
+rpc() {
+  flux python -c \
+    "import flux, json; print(flux.Flux().rpc(\"$1\").get_str())"
+}
+
+test_under_flux 16384 system
+
+test_expect_success 'unload sched-simple' '
+	flux module remove -f sched-simple
+'
+
+test_expect_success 'update configuration' '
+	flux config load <<-'EOF'
+	[[resource.config]]
+	hosts = "fake[0-10]"
+	cores = "0-63"
+	gpus = "0-3"
+
+	[[resource.config]]
+	hosts = "fake[0-10]"
+	properties = ["compute"]
+
+	[sched-fluxion-qmanager]
+	queue-policy = "easy"
+
+	[sched-fluxion-resource]
+	match-policy = "firstnodex"
+	prune-filters = "ALL:core,ALL:gpu,cluster:node,rack:node"
+	match-format = "rv1_nosched"
+	EOF
+'
+
+test_expect_success 'reload resource with monitor-force-up' '
+	flux module reload -f resource noverify monitor-force-up
+'
+test_expect_success 'load fluxion modules' '
+	flux module load sched-fluxion-resource &&
+	flux module load sched-fluxion-qmanager
+'
+test_expect_success 'wait for fluxion to be ready' '
+  flux python -c \
+    "import flux, json; print(flux.Flux().rpc(\"sched.resource-status\").get_str())"
+'
+test_expect_success 'create 3 jobs with the same constraint, so two are unreservable' '
+	flux submit --cc=1-3 --quiet \
+	    -N 1 --exclusive \
+		--requires="host:fake[5]" \
+		--progress --jps \
+		--flags=waitable \
+		--setattr=exec.test.run_duration=0.01s \
+		sleep 0.25
+'
+
+test_expect_success 'ensure all three succeeded' '
+  flux job wait -av
+'
+test_expect_success 'unload fluxion' '
+	flux module remove sched-fluxion-qmanager &&
+	flux module remove sched-fluxion-resource &&
+	flux module load sched-simple
+'
+test_done
\ No newline at end of file