diff --git a/build-wine32.txt b/build-wine32.txt
index 4b830f7ef..db9d069c6 100644
--- a/build-wine32.txt
+++ b/build-wine32.txt
@@ -8,7 +8,7 @@ strip = 'strip'
 needs_exe_wrapper = true
 
 c_args=['-m32', '-msse', '-msse2', '-fvisibility=hidden']
-cpp_args=['-m32', '--no-gnu-unique', '-msse', '-msse2', '-fvisibility=hidden', '-fvisibility-inlines-hidden']
+cpp_args=['-m32', '--no-gnu-unique', '-msse', '-msse2', '-fvisibility=hidden', '-fvisibility-inlines-hidden', '-D__WIDL_objidl_generated_name_0000000C=']
 cpp_link_args=['-m32', '-mwindows']
 
 [host_machine]
diff --git a/build-wine64.txt b/build-wine64.txt
index 09b1c38b8..0809caec8 100644
--- a/build-wine64.txt
+++ b/build-wine64.txt
@@ -8,7 +8,7 @@ strip = 'strip'
 needs_exe_wrapper = true
 
 c_args=['-m64', '-fvisibility=hidden']
-cpp_args=['-m64', '--no-gnu-unique', '-fvisibility=hidden', '-fvisibility-inlines-hidden']
+cpp_args=['-m64', '--no-gnu-unique', '-fvisibility=hidden', '-fvisibility-inlines-hidden', '-D__WIDL_objidl_generated_name_0000000C=']
 cpp_link_args=['-m64', '-mwindows']
 
 [host_machine]