diff --git a/Makefile b/Makefile
index 803418c..0aa424f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 include make/defaults.mk
 NAME := Filter
-CONFIG ?= release
+CONFIG ?= debug
 TARGET ?= JayFilter.so
 
 CFLAGS += -fPIC