diff --git a/changelogs/fragments/fix-316.yml b/changelogs/fragments/fix-316.yml
new file mode 100644
index 00000000..4569d445
--- /dev/null
+++ b/changelogs/fragments/fix-316.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - Fix error with datasources configured without basicAuth
\ No newline at end of file
diff --git a/plugins/modules/grafana_datasource.py b/plugins/modules/grafana_datasource.py
index b0496a97..5f865ec5 100644
--- a/plugins/modules/grafana_datasource.py
+++ b/plugins/modules/grafana_datasource.py
@@ -519,7 +519,8 @@ def compare_datasources(new, current, compareSecureData=True):
     if 'readOnly' in current:
         del current['readOnly']
     if current['basicAuth'] is False:
-        del current['basicAuthUser']
+        if 'basicAuthUser' in current:
+            del current['basicAuthUser']
     if 'password' in current:
         del current['password']
     if 'basicAuthPassword' in current: