diff --git a/onnxruntime/core/providers/migraphx/migraphx_execution_provider.cc b/onnxruntime/core/providers/migraphx/migraphx_execution_provider.cc
index eba1ca9762b28..25391c817fa58 100644
--- a/onnxruntime/core/providers/migraphx/migraphx_execution_provider.cc
+++ b/onnxruntime/core/providers/migraphx/migraphx_execution_provider.cc
@@ -183,7 +183,7 @@ void MIGraphXExecutionProvider::get_flags_from_env() {
     LOGS_DEFAULT(WARNING) << "\nORT_MIGRAPHX_FP8_ENABLE: " << fp8_enable_;
 #else
     LOGS_DEFAULT(WARNING) << "MIGraphX: FP8 Quantization requires ROCm 6.4 or greater";
-    fp8_enable = false;
+    fp8_enable_ = false;
 #endif
   }