diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
index 7ad6a9a7..e97f7672 100644
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -3270,6 +3270,7 @@
                 extra_stage2_cmake_args=[
                     util.Interpolate("-DLLVM_NATIVE_TOOL_DIR=%(prop:builddir)s/stage1.install/bin"),
                     "-DLLVM_BUILD_TESTS=True",
+                    "-DPython3_EXECUTABLE=/usr/bin/python3",
                     util.Interpolate("-DLLVM_EXTERNAL_LIT=%(prop:builddir)s/llvm-zorg/buildbot/riscv-rise/lit-on-qemu")],
                 stage2_toolchain_options=[
                     "set(CMAKE_SYSTEM_NAME Linux)",