diff --git a/src/tpm2/TpmBuildSwitches.h b/src/tpm2/TpmBuildSwitches.h
index 3a52b8e2..1b46fd57 100644
--- a/src/tpm2/TpmBuildSwitches.h
+++ b/src/tpm2/TpmBuildSwitches.h
@@ -324,7 +324,7 @@
 #if !(defined LIBRARY_COMPATIBILITY_CHECK)				\
     || ((LIBRARY_COMPATIBILITY_CHECK != NO) && (LIBRARY_COMPATIBILITY_CHECK != YES))
 #   undef   LIBRARY_COMPATIBILITY_CHECK
-#   define  LIBRARY_COMPATIBILITY_CHECK    NO        // Default: Either YES or NO
+#   define  LIBRARY_COMPATIBILITY_CHECK    YES        // Default: Either YES or NO    libtpms: YES
 #endif