diff --git a/tpmdd/centos/build_srpm.data b/tpmdd/centos/build_srpm.data
index 128c19a..a3a69c8 100644
--- a/tpmdd/centos/build_srpm.data
+++ b/tpmdd/centos/build_srpm.data
@@ -1,5 +1,5 @@
 COPY_LIST=" \
   $PKG_BASE/files/* \
   $PKG_BASE/patches/* \
-  $STX_BASE/downloads/tpm-kmod-668a8270.tar.gz"
+  $STX_BASE/downloads/tpm-kmod-e6aef069.tar.gz"
 TIS_PATCH_VER=5
diff --git a/tpmdd/centos/tpm-kmod.spec b/tpmdd/centos/tpm-kmod.spec
index 65c9fd7..a6d725f 100644
--- a/tpmdd/centos/tpm-kmod.spec
+++ b/tpmdd/centos/tpm-kmod.spec
@@ -22,7 +22,7 @@ ExclusiveArch: x86_64
 # Sources.
 # the tpmdd is available as a tarball, with
 # the git commit Id referenced in the name
-Source0:  %{kmod_name}-kmod-668a8270.tar.gz
+Source0:  %{kmod_name}-kmod-e6aef069.tar.gz
 Source1:  modules-load.conf
 Source2:  COPYING
 Source3:  README
diff --git a/tpmdd/patches/0001-disable-arm64-acpi-command.patch b/tpmdd/patches/0001-disable-arm64-acpi-command.patch
index b6d5088..8a27793 100644
--- a/tpmdd/patches/0001-disable-arm64-acpi-command.patch
+++ b/tpmdd/patches/0001-disable-arm64-acpi-command.patch
@@ -24,13 +24,12 @@ Subject: [PATCH] ARM64 based ACPI commands should not be compiled
  	if (sm == ACPI_TPM2_COMMAND_BUFFER_WITH_SMC) {
  		if (buf->header.length < (sizeof(*buf) + sizeof(*crb_smc))) {
  			dev_err(dev,
-@@ -572,11 +572,12 @@ static int crb_acpi_add(struct acpi_devi
+@@ -572,10 +572,11 @@ static int crb_acpi_add(struct acpi_devi
  				ACPI_TPM2_COMMAND_BUFFER_WITH_SMC);
  			return -EINVAL;
  		}
--		crb_smc = ACPI_ADD_PTR(struct tpm2_crb_smc, buf,
-+		struct tpm2_crb_smc *crb_smc = ACPI_ADD_PTR(struct tpm2_crb_smc, buf,
- 				       ACPI_TPM2_START_METHOD_PARAMETER_OFFSET);
+-		crb_smc = ACPI_ADD_PTR(struct tpm2_crb_smc, buf, sizeof(*buf));
++		struct tpm2_crb_smc *crb_smc = ACPI_ADD_PTR(struct tpm2_crb_smc, buf, sizeof(*buf));
  		priv->smc_func_id = crb_smc->smc_func_id;
  		priv->flags |= CRB_FL_CRB_SMC_START;
  	}