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