diff --git a/sysprop/sysprop_library.go b/sysprop/sysprop_library.go
index a2c0fb7..d16bf32 100644
--- a/sysprop/sysprop_library.go
+++ b/sysprop/sysprop_library.go
@@ -591,7 +591,7 @@
 }
 
 // TODO(b/240463568): Additional properties will be added for API validation
-func (m *syspropLibrary) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+func (m *syspropLibrary) ConvertWithBp2build(ctx android.Bp2buildMutatorContext) {
 	labels := cc.SyspropLibraryLabels{
 		SyspropLibraryLabel: m.BaseModuleName(),
 		SharedLibraryLabel:  m.CcImplementationModuleName(),