diff --git a/Makefile b/Makefile
index 85db634..fbc52d5 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ PROGN  := probotic
 
 CC       := cc
 CFLAGS   := -std=c99 -Wall -Wextra -Wpedantic
-CPPFLAGS := -I/usr/bin/ircclient/
+CPPFLAGS := -I/usr/bin/ircclient/ -I /usr/include/libircclient/
 LDFLAGS  := -lircclient
 
 SRC.DIR := src