1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index c6201c9..1b7a09a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 CXXFLAGS += -I. -std=c++14 -Wall -Wextra -Wno-unused-parameter
 
-HEADERS = $(wildcard chilbert/*.hpp)
+HEADERS = $(wildcard chilbert/*.hpp) $(wildcard chilbert/*.ipp)
 TESTS = test/test_bitvec test/test_gray_code_rank test/test_hilbert
 
 all: $(TESTS)