diff --git a/expose.cpp b/expose.cpp
index b6327afd77dd52..f10ffd0320f39c 100644
--- a/expose.cpp
+++ b/expose.cpp
@@ -50,15 +50,15 @@ extern "C"
         int cl_parseinfo = inputs.clblast_info;
 
         std::string usingclblast = "GGML_OPENCL_CONFIGURED="+std::to_string(cl_parseinfo>0?1:0);
-        putenv((char*)usingclblast.c_str());
+        _putenv((char*)usingclblast.c_str());
 
         cl_parseinfo = cl_parseinfo%100; //keep last 2 digits
         int platform = cl_parseinfo/10;
         int devices = cl_parseinfo%10;
         platformenv = "GGML_OPENCL_PLATFORM="+std::to_string(platform);
         deviceenv = "GGML_OPENCL_DEVICE="+std::to_string(devices);
-        putenv((char*)platformenv.c_str());
-        putenv((char*)deviceenv.c_str());
+        _putenv((char*)platformenv.c_str());
+        _putenv((char*)deviceenv.c_str());
 
         std::string vulkan_info_raw = inputs.vulkan_info;
         std::string vulkan_info_str = "";
@@ -74,7 +74,7 @@ extern "C"
         }
 
         vulkandeviceenv = "GGML_VK_VISIBLE_DEVICES="+vulkan_info_str;
-        putenv((char*)vulkandeviceenv.c_str());
+        _putenv((char*)vulkandeviceenv.c_str());
 
         executable_path = inputs.executable_path;