diff --git a/crypto/CMakeLists.txt b/crypto/CMakeLists.txt
index cc597d9..ea4a86c 100644
--- a/crypto/CMakeLists.txt
+++ b/crypto/CMakeLists.txt
@@ -497,6 +497,7 @@ set(
 	ecdsa/ecdsa.c
 	ecdsa/ecs_err.c
 	ecdsa/ecs_lib.c
+	engine/engine_stubs.c
 	engine/eng_all.c
 	engine/eng_cnf.c
 	engine/eng_ctrl.c
diff --git a/crypto/Makefile.am b/crypto/Makefile.am
index c0be299..01090db 100644
--- a/crypto/Makefile.am
+++ b/crypto/Makefile.am
@@ -611,6 +611,7 @@ libcrypto_la_SOURCES += ecdsa/ecs_lib.c
 noinst_HEADERS += ecdsa/ecdsa_local.h
 
 # engine
+libcrypto_la_SOURCES += engine/engine_stubs.c
 libcrypto_la_SOURCES += engine/eng_all.c
 libcrypto_la_SOURCES += engine/eng_cnf.c
 libcrypto_la_SOURCES += engine/eng_ctrl.c