diff --git a/deps/libgit2.mk b/deps/libgit2.mk
index 62ab5736c8177..dd32ba66ff8c5 100644
--- a/deps/libgit2.mk
+++ b/deps/libgit2.mk
@@ -37,7 +37,7 @@ LIBGIT2_OPTS += -DCURL_INCLUDE_DIRS=$(build_includedir) -DCURL_LIBRARIES="-L$(bu
 endif
 
 ifneq (,$(findstring $(OS),Linux FreeBSD))
-LIBGIT2_OPTS += -DUSE_HTTPS=ON -DHTTPS_BACKEND="mbedTLS" -DCMAKE_INSTALL_RPATH="\$$ORIGIN"
+LIBGIT2_OPTS += -DUSE_HTTPS=ON -DSHA1_BACKEND="mbedTLS" -DHTTPS_BACKEND="mbedTLS" -DCMAKE_INSTALL_RPATH="\$$ORIGIN"
 endif
 
 LIBGIT2_SRC_PATH := $(SRCCACHE)/$(LIBGIT2_SRC_DIR)