diff --git a/changelogs/fragments/1800-elb_target_group_property.yml b/changelogs/fragments/1800-elb_target_group_property.yml
new file mode 100644
index 00000000000..3c8e2625680
--- /dev/null
+++ b/changelogs/fragments/1800-elb_target_group_property.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - elb_target_group - get ``ProtocolVersion`` key from ``target_group`` attributes only when exists (https://github.com/ansible-collections/community.aws/pull/1800).
diff --git a/plugins/modules/elb_target_group.py b/plugins/modules/elb_target_group.py
index bbab1507d2d..93a3f333df6 100644
--- a/plugins/modules/elb_target_group.py
+++ b/plugins/modules/elb_target_group.py
@@ -719,7 +719,7 @@ def create_or_update_target_group(connection, module):
                 # TODO: required and here?
                 if "Matcher" in params:
                     code_key = "HttpCode"
-                    if target_group["ProtocolVersion"] == "GRPC":
+                    if target_group.get("ProtocolVersion") == "GRPC":
                         code_key = "GrpcCode"
                     current_matcher_list = target_group["Matcher"][code_key].split(",")
                     requested_matcher_list = params["Matcher"][code_key].split(",")