diff --git a/Makefile b/Makefile
index b439040..12acdd9 100644
--- a/Makefile
+++ b/Makefile
@@ -8,8 +8,10 @@ SYG_SRC = sygcpp.cpp
 SYGCPP  = sygcpp
 
 ifeq ($(DEBUG),yes)
-	CXXFLAGS := -g
+	CXXFLAGS := -g -Og
+	LDFLAGS := -Og
 else
+	CXXFLAGS := -Os
 	LDFLAGS := -s -Os
 endif