diff --git a/include/onnxruntime/core/session/onnxruntime_c_api.h b/include/onnxruntime/core/session/onnxruntime_c_api.h
index 247d204f9b..176b988ad0 100644
--- a/include/onnxruntime/core/session/onnxruntime_c_api.h
+++ b/include/onnxruntime/core/session/onnxruntime_c_api.h
@@ -218,7 +218,7 @@ struct OrtApiBase {
 };
 typedef struct OrtApiBase OrtApiBase;
 
-ORT_EXPORT const OrtApiBase* ORT_API_CALL OrtGetApiBase() NO_EXCEPTION;
+ORT_EXPORT const OrtApiBase* ORT_API_CALL OrtGetApiBase(void) NO_EXCEPTION;
 
 struct OrtApi {
   /**
diff --git a/onnxruntime/core/session/onnxruntime_c_api.cc b/onnxruntime/core/session/onnxruntime_c_api.cc
index 99ff0212ad..de18d1fe64 100644
--- a/onnxruntime/core/session/onnxruntime_c_api.cc
+++ b/onnxruntime/core/session/onnxruntime_c_api.cc
@@ -1460,7 +1460,7 @@ ORT_API(const char*, OrtApis::GetVersionString) {
   return ORT_VERSION;
 }
 
-const OrtApiBase* ORT_API_CALL OrtGetApiBase() NO_EXCEPTION {
+const OrtApiBase* ORT_API_CALL OrtGetApiBase(void) NO_EXCEPTION {
   return &ort_api_base;
 }