diff --git a/android/apex.go b/android/apex.go
index 87bff74..5bbc02e 100644
--- a/android/apex.go
+++ b/android/apex.go
@@ -356,9 +356,18 @@
 	return m
 }
 
+var (
+	availableToPlatformList = []string{AvailableToPlatform}
+)
+
 // Implements ApexModule
 func (m *ApexModuleBase) ApexAvailable() []string {
-	return m.ApexProperties.Apex_available
+	aa := m.ApexProperties.Apex_available
+	if len(aa) > 0 {
+		return aa
+	}
+	// Default is availability to platform
+	return CopyOf(availableToPlatformList)
 }
 
 // Implements ApexModule