diff --git a/Source/Platform.h b/Source/Platform.h
index 1434e116..0c98a3bb 100644
--- a/Source/Platform.h
+++ b/Source/Platform.h
@@ -368,7 +368,7 @@ typedef WORD LANGID;
 #  define VS_VERSION_INFO 1
 #endif
 #ifndef VS_FFI_SIGNATURE
-#  define VS_FFI_SIGNATURE 0xFEEFO4BD
+#  define VS_FFI_SIGNATURE 0xFEEF04BD
 #endif
 
 // message box
diff --git a/Source/script.cpp b/Source/script.cpp
index 53acf166..3c9f218c 100644
--- a/Source/script.cpp
+++ b/Source/script.cpp
@@ -4421,7 +4421,7 @@ int CEXEBuild::doCommand(int which_token, LineParser &line)
 
           if (ver)
           {
-            if (versize > sizeof(WORD) * 3)
+            if ((size_t) versize > sizeof(WORD) * 3)
             {
               // get VS_FIXEDFILEINFO from VS_VERSIONINFO
               WCHAR *szKey = (WCHAR *)(ver + sizeof(WORD) * 3);