diff --git a/autobuild.xml b/autobuild.xml
index 3b9eaa0ff04635d068caf0b720da4b00ab6f3d66..c1277bf2d3a4e1ad12c6671a8c5e57015891f1eb 100644
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -3129,7 +3129,7 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
                   <string>${AUTOBUILD_WIN_CMAKE_GEN|NOTWIN}</string>
                   <string>-DINSTALL_PROPRIETARY=FALSE</string>
                   <string>-DUSE_KDU=FALSE</string>
-                  <string>-DOPENAL:BOOL=ON</string>
+                  <string>-DUSE_OPENAL:BOOL=ON</string>
                 </array>
               </map>
               <key>name</key>
@@ -3200,7 +3200,7 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
                   <string>-DUNATTENDED:BOOL=ON</string>
                   <string>-DINSTALL_PROPRIETARY=FALSE</string>
                   <string>-DUSE_KDU=FALSE</string>
-                  <string>-DOPENAL:BOOL=ON</string>
+                  <string>-DUSE_OPENAL:BOOL=ON</string>
                 </array>
               </map>
               <key>name</key>