diff --git a/llvm.spec b/llvm.spec
index 8295ba4..6e62d02 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -133,6 +133,7 @@ cd _build
 	-DLLVM_BUILD_EXTERNAL_COMPILER_RT:BOOL=ON \
 	-DLLVM_INSTALL_TOOLCHAIN_ONLY:BOOL=OFF \
 	\
+	-DSPHINX_WARNINGS_AS_ERRORS=OFF \
 	-DSPHINX_EXECUTABLE=%{_bindir}/sphinx-build-3
 
 make %{?_smp_mflags}