diff --git a/host/xtest/CMakeLists.txt b/host/xtest/CMakeLists.txt
index e45fae558..42ebd0c5d 100644
--- a/host/xtest/CMakeLists.txt
+++ b/host/xtest/CMakeLists.txt
@@ -12,7 +12,7 @@ endif()
 
 find_package(OpenSSL)
 if(OPENSSL_FOUND)
-	add_compile_options(-DOPENSSL_FOUND=1)
+	add_compile_options(-DOPENSSL_FOUND=1 -DOPENSSL_API_COMPAT=10100)
 	set (OPENSSL_PRIVATE_LINK OpenSSL::Crypto)
 endif()
 
diff --git a/host/xtest/Makefile b/host/xtest/Makefile
index ce55c3f52..dbfd39263 100644
--- a/host/xtest/Makefile
+++ b/host/xtest/Makefile
@@ -39,7 +39,7 @@ endef
 # - User/group login tests 1027 and 1028
 WITH_OPENSSL ?= y
 ifeq ($(WITH_OPENSSL),y)
-CFLAGS += -DOPENSSL_FOUND=1
+CFLAGS += -DOPENSSL_FOUND=1 -DOPENSSL_API_COMPAT=10100
 ifneq ($(OPTEE_OPENSSL_EXPORT),)
 LDFLAGS += -lcrypto
 CFLAGS += -I$(OPTEE_OPENSSL_EXPORT)