diff --git a/userspace/falco/app/actions/process_events.cpp b/userspace/falco/app/actions/process_events.cpp
index 80361be3..00e44293 100644
--- a/userspace/falco/app/actions/process_events.cpp
+++ b/userspace/falco/app/actions/process_events.cpp
@@ -491,6 +491,9 @@ falco::app::run_result falco::app::actions::process_events(falco::app::state& s)
 				}
 
 				if(s.enabled_sources.size() == 1) {
+					// Since the inspector is now opened, we can enable prometheus metrics
+					s.webserver.enable_prometheus_metrics(s);
+
 					// optimization: with only one source we don't spawn additional threads
 					process_inspector_events(s,
 					                         src_info->inspector,
@@ -520,6 +523,10 @@ falco::app::run_result falco::app::actions::process_events(falco::app::state& s)
 				break;
 			}
 		}
+		if(s.enabled_sources.size() > 1) {
+			// Since all inspectors are now opened, we can enable prometheus metrics
+			s.webserver.enable_prometheus_metrics(s);
+		}
 
 		// wait for event processing to terminate for all sources
 		// if a thread terminates with an error, we trigger the app termination
diff --git a/userspace/falco/webserver.cpp b/userspace/falco/webserver.cpp
index 3998f853..5b83162a 100644
--- a/userspace/falco/webserver.cpp
+++ b/userspace/falco/webserver.cpp
@@ -58,12 +58,6 @@ void falco_webserver::start(const falco::app::state &state,
 		              res.set_content(versions_json_str, "application/json");
 	              });
 
-	if(state.config->m_metrics_enabled && webserver_config.m_prometheus_metrics_enabled) {
-		m_server->Get("/metrics", [&state](const httplib::Request &, httplib::Response &res) {
-			res.set_content(falco_metrics::to_text_prometheus(state),
-			                falco_metrics::content_type_prometheus);
-		});
-	}
 	// run server in a separate thread
 	if(!m_server->is_valid()) {
 		m_server = nullptr;
@@ -106,3 +100,13 @@ void falco_webserver::stop() {
 		m_running = false;
 	}
 }
+
+void falco_webserver::enable_prometheus_metrics(const falco::app::state &state) {
+	if(state.config->m_metrics_enabled &&
+	   state.config->m_webserver_config.m_prometheus_metrics_enabled) {
+		m_server->Get("/metrics", [&state](const httplib::Request &, httplib::Response &res) {
+			res.set_content(falco_metrics::to_text_prometheus(state),
+			                falco_metrics::content_type_prometheus);
+		});
+	}
+}
diff --git a/userspace/falco/webserver.h b/userspace/falco/webserver.h
index 2c5c08b0..e5d97e58 100644
--- a/userspace/falco/webserver.h
+++ b/userspace/falco/webserver.h
@@ -40,6 +40,7 @@ public:
 	virtual void start(const falco::app::state& state,
 	                   const falco_configuration::webserver_config& webserver_config);
 	virtual void stop();
+	virtual void enable_prometheus_metrics(const falco::app::state& state);
 
 private:
 	bool m_running = false;