diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index f70594d3d4..df9e126c1f 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 66c4855418..ab3cd5fc35 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