diff --git a/check_mk-azure/azure-spearhead-0.5.0.mkp b/check_mk-azure/azure-spearhead-0.5.0.mkp
deleted file mode 100755
index de229ec..0000000
Binary files a/check_mk-azure/azure-spearhead-0.5.0.mkp and /dev/null differ
diff --git a/check_mk-azure/azure-spearhead-0.5.1.mkp b/check_mk-azure/azure-spearhead-0.5.1.mkp
new file mode 100755
index 0000000..bad1aa7
Binary files /dev/null and b/check_mk-azure/azure-spearhead-0.5.1.mkp differ
diff --git a/check_mk-azure/local/lib/check_mk/base/plugins/agent_based/azure_common.py b/check_mk-azure/local/lib/check_mk/base/plugins/agent_based/azure_common.py
index bc5a927..df2061a 100644
--- a/check_mk-azure/local/lib/check_mk/base/plugins/agent_based/azure_common.py
+++ b/check_mk-azure/local/lib/check_mk/base/plugins/agent_based/azure_common.py
@@ -252,6 +252,9 @@ def check_defender(item, params, section):
         if state.value > State.OK.value:
             region_details.append(f"{severity}: {info}: {url}")
 
+    if region_details == []:
+        region_details = ["No Defender alerts"]
+
     yield Result(
         state=final_state,
         summary=f"High: {num_high}, Medium: {num_med}, Low: {num_low}, Informational: {num_info}",