diff --git a/src/config.mk b/src/config.mk
index 283d745..e29dfa2 100644
--- a/src/config.mk
+++ b/src/config.mk
@@ -1,10 +1,10 @@
VERSION = 1.4
# paths
-PREFIX = /usr/local
+PREFIX = /usr
# flags
-CFLAGS = -std=c99
+CFLAGS = -g -std=c99
LDFLAGS = -lsndfile
# compiler and linker