diff --git a/Makefile b/Makefile
index 2e2b5f5..294a947 100644
--- a/Makefile
+++ b/Makefile
@@ -79,7 +79,7 @@ endif
 
 ##############################################################################
 
-COMMON_HEADERS := $(wildcard common/*.h)
+COMMON_HEADERS := $(wildcard common/*.h) libdeflate.h
 DEFAULT_TARGETS :=
 
 #### Library