diff --git a/Makefile b/Makefile
index 4e19fe8..dcaac76 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ SRC_DIRS 	= programs system
 
 # VASM 		= ~/6502/vasm6502
 ASM		 	= ca65
-ASMFLAGS 	= --cpu 65C02 $(foreach srcdir, $(SRC_DIRS), -I $(srcdir))
+ASMFLAGS 	= -g --cpu 65C02 $(foreach srcdir, $(SRC_DIRS), -I $(srcdir))
 ASMDEPFLAGS	= --create-dep .dependencies
 
 LD 			= ld65