diff --git a/package/tpm2-tss/tpm2-tss.mk b/package/tpm2-tss/tpm2-tss.mk
index f5169a2770..dcc1e5d74d 100644
--- a/package/tpm2-tss/tpm2-tss.mk
+++ b/package/tpm2-tss/tpm2-tss.mk
@@ -11,4 +11,8 @@ TPM2_TSS_LICENSE_FILES = LICENSE
 TPM2_TSS_INSTALL_STAGING = YES
 TPM2_TSS_DEPENDENCIES = liburiparser host-pkgconf
 
+# configure.ac doesn't contain a link test, so it doesn't detect when
+# libssp is missing.
+TPM2_TSS_CONF_ENV = ax_cv_check_cflags___________Wall__Werror_______fstack_protector_all=$(if $(BR2_TOOLCHAIN_HAS_SSP),yes,no)
+
 $(eval $(autotools-package))