diff --git a/Misc/NEWS.d/next/Library/2025-04-06-23-16-08.gh-issue-132174.dN4b-X.rst b/Misc/NEWS.d/next/Library/2025-04-06-23-16-08.gh-issue-132174.dN4b-X.rst
new file mode 100644
index 00000000000000..fa868c372198c7
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-04-06-23-16-08.gh-issue-132174.dN4b-X.rst
@@ -0,0 +1 @@
+Fix function name in error message of ``_interpreters.run_string``.
diff --git a/Modules/_interpretersmodule.c b/Modules/_interpretersmodule.c
index c968b33939c420..339201a1facbf0 100644
--- a/Modules/_interpretersmodule.c
+++ b/Modules/_interpretersmodule.c
@@ -1113,7 +1113,7 @@ interp_run_string(PyObject *self, PyObject *args, PyObject *kwds)
         return NULL;
     }
 
-    script = (PyObject *)convert_script_arg(script, MODULE_NAME_STR ".exec",
+    script = (PyObject *)convert_script_arg(script, MODULE_NAME_STR ".run_string",
                                             "argument 2", "a string");
     if (script == NULL) {
         return NULL;