diff --git a/firmware/lib/rollback_index.c b/firmware/lib/rollback_index.c
index 94690f5063..232a0a4774 100644
--- a/firmware/lib/rollback_index.c
+++ b/firmware/lib/rollback_index.c
@@ -420,7 +420,7 @@ uint32_t SetupTPM(int developer_mode, int disable_dev_request,
 
 	/* Read the firmware space. */
 	result = ReadSpaceFirmware(rsf);
-#ifndef TPM2_MDOE
+#ifndef TPM2_MODE
 	if (TPM_E_BADINDEX == result) {
 		RollbackSpaceKernel rsk;