diff --git a/CMakeLists.txt b/CMakeLists.txt
index 448a88b9c..b505d758a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -144,7 +144,7 @@ IF (BUILD_CLAY)
     INCLUDE_DIRECTORIES(tests-clay)
 	FILE(GLOB_RECURSE SRC_TEST tests-clay/*.c)
 
-	ADD_EXECUTABLE(libgit2_clay ${SRC} ${SRC_TEST} ${SRC_ZLIB})
+	ADD_EXECUTABLE(libgit2_clay ${SRC} ${SRC_TEST} ${SRC_ZLIB} ${SRC_HTTP})
 	TARGET_LINK_LIBRARIES(libgit2_clay ${CMAKE_THREAD_LIBS_INIT})
 	IF (WIN32)
 		TARGET_LINK_LIBRARIES(libgit2_clay ws2_32)