diff --git a/main.cpp b/main.cpp
index aee9c01..d29fe95 100644
--- a/main.cpp
+++ b/main.cpp
@@ -65,7 +65,7 @@ int main(int argc, char **argv) {
 	bool probe_only = false;
 	std::filesystem::path executable_path = std::filesystem::weakly_canonical(*argv).parent_path();
 #ifdef _WIN32
-	setenv("MAGICK_CODER_MODULE_PATH", executable_path.c_str(), 0);
+	_setenv("MAGICK_CODER_MODULE_PATH", executable_path.c_str(), 0);
 #endif
 	InitializeMagick(*argv);
 	argc--;