diff --git a/mesonbuild/dependencies/python.py b/mesonbuild/dependencies/python.py
index b9b17f854cde..a0a22c1a54ad 100644
--- a/mesonbuild/dependencies/python.py
+++ b/mesonbuild/dependencies/python.py
@@ -221,7 +221,7 @@ def __init__(self, name: str, environment: 'Environment',
         if mesonlib.is_windows() and self.get_windows_python_arch().endswith('64') and mesonlib.version_compare(self.version, '<3.12'):
             self.compile_args += ['-DMS_WIN64=']
 
-        if not self.clib_compiler.has_header('Python.h', '', environment, extra_args=self.compile_args):
+        if not self.clib_compiler.has_header('Python.h', '', environment, extra_args=self.compile_args)[0]:
             self.is_found = False
 
     def find_libpy(self, environment: 'Environment') -> None: