diff --git a/compatibility_matrices/Android.mk b/compatibility_matrices/Android.mk
index 6b40766b21..6446beb3a4 100644
--- a/compatibility_matrices/Android.mk
+++ b/compatibility_matrices/Android.mk
@@ -136,6 +136,6 @@ LOCAL_ASSEMBLE_VINTF_FLAGS += -c "$(BUILT_VENDOR_MANIFEST)"
 endif
 
 include $(BUILD_FRAMEWORK_COMPATIBILITY_MATRIX)
-BUILT_SYSTEM_COMPATIBILITY_MATRIX := $(LOCAL_BUILT_MODULE)
+BUILT_SYSTEM_MATRIX := $(LOCAL_BUILT_MODULE)
 
 BUILD_FRAMEWORK_COMPATIBILITY_MATRIX :=