diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index f70594d3d4d56ea0300ba41bcff0f507b4457e64..df9e126c1f240093d1a3ac1d5d05ca7828423986 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -27,3 +27,4 @@ CONFIG_APPLESMC=y
 CONFIG_I8259=y
 CONFIG_PFLASH_CFI01=y
 CONFIG_TPM_TIS=y
+CONFIG_TPM_PASSTHROUGH=y
diff --git a/default-configs/x86_64-softmmu.mak b/default-configs/x86_64-softmmu.mak
index 66c4855418ef8450c27c4f9c8b0647222a201399..ab3cd5fc350be9267d05be9bf6d671d866255459 100644
--- a/default-configs/x86_64-softmmu.mak
+++ b/default-configs/x86_64-softmmu.mak
@@ -27,3 +27,4 @@ CONFIG_APPLESMC=y
 CONFIG_I8259=y
 CONFIG_PFLASH_CFI01=y
 CONFIG_TPM_TIS=y
+CONFIG_TPM_PASSTHROUGH=y