diff --git a/command/agent/job_endpoint.go b/command/agent/job_endpoint.go
index 8414eac2f..e7b07d2d3 100644
--- a/command/agent/job_endpoint.go
+++ b/command/agent/job_endpoint.go
@@ -853,7 +853,11 @@ func ApiResourcesToStructs(in *api.Resources) *structs.Resources {
 	out := &structs.Resources{
 		CPU:      *in.CPU,
 		MemoryMB: *in.MemoryMB,
-		IOPS:     *in.IOPS, // COMPAT(0.10): Only being used to issue warnings
+	}
+
+	// COMPAT(0.10): Only being used to issue warnings
+	if in.IOPS != nil {
+		out.IOPS = *in.IOPS
 	}
 
 	if l := len(in.Networks); l != 0 {
diff --git a/e2e/vault/matrix_test.go b/e2e/vault/matrix_test.go
index 87325bb25..1dc786a6a 100644
--- a/e2e/vault/matrix_test.go
+++ b/e2e/vault/matrix_test.go
@@ -3,6 +3,11 @@ package vault
 var (
 	// versions is the set of Vault versions we test for backwards compatibility
 	versions = []string{
+		"1.0.0",
+		"0.11.5",
+		"0.11.4",
+		"0.11.3",
+		"0.11.2",
 		"0.11.1",
 		"0.11.0",
 		"0.10.4",