diff --git a/tinygrad/runtime/ops_clang.py b/tinygrad/runtime/ops_clang.py
index 44d5fd3979..30a3446684 100644
--- a/tinygrad/runtime/ops_clang.py
+++ b/tinygrad/runtime/ops_clang.py
@@ -7,12 +7,12 @@ CLANG_PROGRAM_HEADER = '#include <stdbool.h>\n#include <tgmath.h>\n#define max(x
 
 class ClangCompiler(Compiler):
   compiler_opts = CompilerOptions("CLANG", supports_float4=False, has_local=False)
-  def render(self, name:str, uops) -> str: return uops_to_cstyle(CStyleLanguage(buffer_suffix=" restrict"), name, uops)
+  def render(self, name:str, uops) -> str: return CLANG_PROGRAM_HEADER + uops_to_cstyle(CStyleLanguage(buffer_suffix=" restrict"), name, uops)
   def compile(self, src:str) -> bytes:
     # TODO: remove file write. sadly clang doesn't like the use of /dev/stdout here
     with tempfile.NamedTemporaryFile(delete=True) as output_file:
-      subprocess.check_output(args=('clang -shared -march=native -O2 -Wall -Werror -x c -fPIC - -o '+ \
-                                    str(output_file.name)).split(), input=(CLANG_PROGRAM_HEADER+src).encode('utf-8'))
+      subprocess.check_output(args=('clang -shared -march=native -O2 -Wall -Werror -x c -fPIC - -o '+ str(output_file.name)).split(),
+                              input=src.encode('utf-8'))
       return pathlib.Path(output_file.name).read_bytes()
 
 class ClangProgram: