diff --git a/console.go b/console.go
index 8a65bee..f298160 100644
--- a/console.go
+++ b/console.go
@@ -441,17 +441,21 @@ func (cw *ConsoleWatcher) addMessage(msg ConsoleMessage) {
 	}
 }
 
-// matchesFilter checks if a message matches any filter.
+// matchesFilter checks whether a message matches the active filter set.
+//
+// When no filters are configured, every message matches. When filters exist,
+// the watcher uses OR semantics: a message is included as soon as it matches
+// one configured filter.
 func (cw *ConsoleWatcher) matchesFilter(msg ConsoleMessage) bool {
 	if len(cw.filters) == 0 {
 		return true
 	}
 	for _, filter := range cw.filters {
-		if !cw.matchesSingleFilter(msg, filter) {
-			return false
+		if cw.matchesSingleFilter(msg, filter) {
+			return true
 		}
 	}
-	return true
+	return false
 }
 
 // matchesSingleFilter checks if a message matches a specific filter.
diff --git a/webview_test.go b/webview_test.go
index 2c40948..a5cc6f3 100644
--- a/webview_test.go
+++ b/webview_test.go
@@ -778,8 +778,8 @@ func TestConsoleWatcherFilteredMessages_Good(t *testing.T) {
 	}
 }
 
-// TestConsoleWatcherFilteredMessages_Good_RequiresAllActiveFilters verifies filters compose as an intersection.
-func TestConsoleWatcherFilteredMessages_Good_RequiresAllActiveFilters(t *testing.T) {
+// TestConsoleWatcherFilteredMessages_Good_UsesAnyActiveFilter verifies filters compose as a union.
+func TestConsoleWatcherFilteredMessages_Good_UsesAnyActiveFilter(t *testing.T) {
 	cw := &ConsoleWatcher{
 		messages: []ConsoleMessage{
 			{Type: "error", Text: "boom happened"},
@@ -795,11 +795,17 @@ func TestConsoleWatcherFilteredMessages_Good_RequiresAllActiveFilters(t *testing
 	}
 
 	filtered := cw.FilteredMessages()
-	if len(filtered) != 1 {
-		t.Fatalf("Expected 1 filtered message, got %d", len(filtered))
+	if len(filtered) != 3 {
+		t.Fatalf("Expected 3 filtered messages, got %d", len(filtered))
 	}
 	if filtered[0].Text != "boom happened" {
-		t.Fatalf("Expected the intersection match, got %q", filtered[0].Text)
+		t.Fatalf("Expected the first matching message, got %q", filtered[0].Text)
+	}
+	if filtered[1].Text != "different message" {
+		t.Fatalf("Expected the second stored message to remain visible, got %q", filtered[1].Text)
+	}
+	if filtered[2].Text != "boom happened" {
+		t.Fatalf("Expected the log message matching the pattern filter, got %q", filtered[2].Text)
 	}
 }