diff --git a/Include/internal/pycore_ceval.h b/Include/internal/pycore_ceval.h
index f27ec4350bb2c8..7ffe9871f46999 100644
--- a/Include/internal/pycore_ceval.h
+++ b/Include/internal/pycore_ceval.h
@@ -134,7 +134,7 @@ _Py_CODEUNIT *_PyTier2Interpreter(
 #endif
 #endif
 
-extern _PyJitEntryFuncPtr _Py_jit_entry;
+PyAPI_DATA(_PyJitEntryFuncPtr) _Py_jit_entry;
 
 extern PyObject*
 _PyEval_Vector(PyThreadState *tstate,
diff --git a/Misc/NEWS.d/next/Build/2026-03-11-17-23-39.gh-issue-144712.fix-jit-entry.rst b/Misc/NEWS.d/next/Build/2026-03-11-17-23-39.gh-issue-144712.fix-jit-entry.rst
new file mode 100644
index 00000000000000..3473ce141dc03a
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2026-03-11-17-23-39.gh-issue-144712.fix-jit-entry.rst
@@ -0,0 +1 @@
+Fix ``_testinternalcapi`` import failure due to missing ``_Py_jit_entry`` symbol when built with :option:`--enable-experimental-jit`. Patch by Shamil Abdulaev.
diff --git a/Modules/_testinternalcapi/interpreter.c b/Modules/_testinternalcapi/interpreter.c
index 2cd23fa3c58849..8680277c115e5f 100644
--- a/Modules/_testinternalcapi/interpreter.c
+++ b/Modules/_testinternalcapi/interpreter.c
@@ -21,8 +21,6 @@ stop_tracing_and_jit(PyThreadState *tstate, _PyInterpreterFrame *frame)
 }
 #endif
 
-_PyJitEntryFuncPtr _Py_jit_entry;
-
 #if _Py_TAIL_CALL_INTERP
 #include "test_targets.h"
 #include "test_cases.c.h"
diff --git a/Python/ceval.c b/Python/ceval.c
index 950050a6027116..fbc9c3dab710a5 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1314,9 +1314,9 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
 }
 #ifdef _Py_TIER2
 #ifdef _Py_JIT
-_PyJitEntryFuncPtr _Py_jit_entry = _Py_LazyJitShim;
+PyAPI_DATA(_PyJitEntryFuncPtr) _Py_jit_entry = _Py_LazyJitShim;
 #else
-_PyJitEntryFuncPtr _Py_jit_entry = _PyTier2Interpreter;
+PyAPI_DATA(_PyJitEntryFuncPtr) _Py_jit_entry = _PyTier2Interpreter;
 #endif
 #endif