diff --git a/src/randomenv.cpp b/src/randomenv.cpp
index 93d30a27fd..4754b597c5 100644
--- a/src/randomenv.cpp
+++ b/src/randomenv.cpp
@@ -58,7 +58,9 @@
 #include <sys/auxv.h>
 #endif
 
+#ifndef _MSC_VER
 extern char** environ; // NOLINT(readability-redundant-declaration): Necessary on some platforms
+#endif
 
 namespace {