diff --git a/core/definitions.mk b/core/definitions.mk
index d3277b5..235cf67 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2515,7 +2515,7 @@
 $(if $(PRIVATE_JAR_MANIFEST), $(hide) echo unsupported options JAR_MANIFEST in $@; exit 53)
 endef
 
-define desugar-classpath
+define desugar-bootclasspath
 $(filter-out -classpath -bootclasspath "",$(subst :,$(space),$(1)))
 endef