diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60779085..63eb9db9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## [MAJOR.MINOR.PATCH] - YYYY-MM-DD
 
 - Fix `KafkaTopic`: fails to create a topic with the replication factor set more than running Kafka nodes
+- Fix `ServiceIntegration`: sends empty source and destination projects
 
 ## v0.24.0 - 2024-07-16
 
diff --git a/controllers/common.go b/controllers/common.go
index bf70d5a3..4e102c90 100644
--- a/controllers/common.go
+++ b/controllers/common.go
@@ -288,3 +288,11 @@ func isAivenError(err error, code int) bool {
 
 	return false
 }
+
+func toPtr[T comparable](v T) *T {
+	var empty T
+	if empty == v {
+		return nil
+	}
+	return &v
+}
diff --git a/controllers/serviceintegration_controller.go b/controllers/serviceintegration_controller.go
index 1d924aac..283e88c5 100644
--- a/controllers/serviceintegration_controller.go
+++ b/controllers/serviceintegration_controller.go
@@ -67,13 +67,13 @@ func (h ServiceIntegrationHandler) createOrUpdate(ctx context.Context, avn *aive
 			ctx,
 			si.Spec.Project,
 			&serviceintegration.ServiceIntegrationCreateIn{
-				DestEndpointId:   &si.Spec.DestinationEndpointID,
-				DestService:      &si.Spec.DestinationServiceName,
-				DestProject:      &si.Spec.DestinationProjectName,
+				DestEndpointId:   toPtr(si.Spec.DestinationEndpointID),
+				DestService:      toPtr(si.Spec.DestinationServiceName),
+				DestProject:      toPtr(si.Spec.DestinationProjectName),
 				IntegrationType:  serviceintegration.IntegrationType(si.Spec.IntegrationType),
-				SourceEndpointId: &si.Spec.SourceEndpointID,
-				SourceService:    &si.Spec.SourceServiceName,
-				SourceProject:    &si.Spec.SourceProjectName,
+				SourceEndpointId: toPtr(si.Spec.SourceEndpointID),
+				SourceService:    toPtr(si.Spec.SourceServiceName),
+				SourceProject:    toPtr(si.Spec.SourceProjectName),
 				UserConfig:       &userConfigMap,
 			},
 		)