diff --git a/src/dllmain.cpp b/src/dllmain.cpp
index 39d7893..fbfc295 100644
--- a/src/dllmain.cpp
+++ b/src/dllmain.cpp
@@ -1,5 +1,7 @@
 #include <windows.h>
 
+// outsmart GCC's missing-declarations warning
+BOOL WINAPI DllMain(HMODULE, DWORD, LPVOID);
 BOOL WINAPI DllMain(HMODULE, DWORD, LPVOID)
 {
     return TRUE;