diff --git a/Makefile b/Makefile
index 6572490..344507f 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 CC = gcc
 AR = ar
 
-.PHONY: all install clean
+.PHONY: all format clean
 .SUFFIXES: .c .o
 
 OBJS = src/core.o
@@ -14,6 +14,9 @@ OBJS += src/misc/url.o src/misc/wildcard.o
 
 all: libppr.a
 
+format:
+	clang-format --verbose -i `find src include -name "*.c" -or -name "*.h"`
+
 .c.o:
 	$(CC) -c -I include -o $@ $<