diff --git a/win_build/boincmgr_curl.vcproj b/win_build/boincmgr_curl.vcproj
index e60bd7f80f..079abc64c2 100644
--- a/win_build/boincmgr_curl.vcproj
+++ b/win_build/boincmgr_curl.vcproj
@@ -1097,6 +1097,14 @@
 						CompileAs="2"
 					/>
 				</FileConfiguration>
+				<FileConfiguration
+					Name="ReleaseSigned|x64"
+					>
+					<Tool
+						Name="VCCLCompilerTool"
+						CompileAs="2"
+					/>
+				</FileConfiguration>
 			</File>
 			<File
 				RelativePath="..\lib\base64.h"