diff --git a/SConscript b/SConscript
index 238dee9..40f4964 100644
--- a/SConscript
+++ b/SConscript
@@ -626,9 +626,11 @@ if env['COMPILER_FAMILY'] == 'gcc' or env['COMPILER_FAMILY'] == 'clang':
         # -Wtautological-compare triggers in libfmt and doesn't seem too useful anyway
         env.Append(CCFLAGS = ['-Wno-missing-field-initializers', '-Wno-maybe-uninitialized'])
         env.Append(CXXFLAGS = ['-Wno-subobject-linkage', '-Wno-dangling-reference', '-Wno-init-list-lifetime', '-Wno-tautological-compare'])
-    else:
+
+    else: # clang only
         # no-gnu-anonymous-struct - we don't care
         env.Append(CCFLAGS = ['-Wno-gnu-anonymous-struct'])
+        env.Append(CXXFLAGS = ['-fexperimental-library']) # enable std::jthread
     if build_type == 'debug':
         env.Append(CCFLAGS = ['-g', '-O0'], CPPDEFINES = ['_GLIBCXX_DEBUG'])
         env.Append(DEPS_CXXFLAGS = ['-D_GLIBCXX_DEBUG'])