diff --git a/builder/amazon/common/run_config_test.go b/builder/amazon/common/run_config_test.go
index fde9ef760..f43b9f12c 100644
--- a/builder/amazon/common/run_config_test.go
+++ b/builder/amazon/common/run_config_test.go
@@ -55,18 +55,28 @@ func TestRunConfigPrepare_InstanceType(t *testing.T) {
 func TestRunConfigPrepare_SourceAmi(t *testing.T) {
 	c := testConfig()
 	c.SourceAmi = ""
-	if err := c.Prepare(nil); len(err) != 1 {
+	if err := c.Prepare(nil); len(err) != 2 {
 		t.Fatalf("Should error if a source_ami (or source_ami_filter) is not specified")
 	}
 }
 
 func TestRunConfigPrepare_SourceAmiFilterBlank(t *testing.T) {
 	c := testConfigFilter()
-	if err := c.Prepare(nil); len(err) != 1 {
+	if err := c.Prepare(nil); len(err) != 2 {
 		t.Fatalf("Should error if source_ami_filter is empty or not specified (and source_ami is not specified)")
 	}
 }
 
+func TestRunConfigPrepare_SourceAmiFilterOwnersBlank(t *testing.T) {
+	c := testConfigFilter()
+	filter_key := "name"
+	filter_value := "foo"
+	c.SourceAmiFilter = AmiFilterOptions{Filters: map[*string]*string{&filter_key: &filter_value}}
+	if err := c.Prepare(nil); len(err) != 1 {
+		t.Fatalf("Should error if Owners is not specified)")
+	}
+}
+
 func TestRunConfigPrepare_SourceAmiFilterGood(t *testing.T) {
 	c := testConfigFilter()
 	owner := "123"