diff --git a/core/combo/javac.mk b/core/combo/javac.mk
index e3838a6..d00f541 100644
--- a/core/combo/javac.mk
+++ b/core/combo/javac.mk
@@ -35,6 +35,8 @@
     $(info CUSTOM_JAVA_COMPILER=eclipse)
 endif
 
+GLOBAL_JAVAC_DEBUG_FLAGS := -g
+
 HOST_JAVAC ?= $(COMMON_JAVAC)
 TARGET_JAVAC ?= $(COMMON_JAVAC)