diff --git a/CryptoPkg/Library/Include/CrtLibSupport.h b/CryptoPkg/Library/Include/CrtLibSupport.h
index aed2193227..9829ec010a 100644
--- a/CryptoPkg/Library/Include/CrtLibSupport.h
+++ b/CryptoPkg/Library/Include/CrtLibSupport.h
@@ -18,6 +18,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 
 #define OPENSSLDIR  ""
 #define ENGINESDIR  ""
+#define MODULESDIR  ""
 
 #define MAX_STRING_SIZE  0x1000