diff --git a/reactos/include/psdk/ntdef.h b/reactos/include/psdk/ntdef.h
index 6f343ac4f66..b8689c3ed96 100644
--- a/reactos/include/psdk/ntdef.h
+++ b/reactos/include/psdk/ntdef.h
@@ -300,7 +300,7 @@
 #endif /* DECLSPEC_ALIGN */
 
 #ifndef DECLSPEC_SELECTANY
-#if (_MSC_VER >= 1100)
+#if (_MSC_VER >= 1100) || defined(__GNUC__)
 #define DECLSPEC_SELECTANY  __declspec(selectany)
 #else
 #define DECLSPEC_SELECTANY
diff --git a/reactos/include/psdk/winnt.h b/reactos/include/psdk/winnt.h
index 44a33210306..acc04ffa7fd 100644
--- a/reactos/include/psdk/winnt.h
+++ b/reactos/include/psdk/winnt.h
@@ -218,7 +218,7 @@ extern "C" {
 #endif
 
 #ifndef DECLSPEC_SELECTANY
-#if (_MSC_VER >= 1100)
+#if (_MSC_VER >= 1100) || defined(__GNUC__)
 #define DECLSPEC_SELECTANY __declspec(selectany)
 #else
 #define DECLSPEC_SELECTANY