diff --git a/loader/windows/icd_windows.c b/loader/windows/icd_windows.c
index 237ec5c1..d7716253 100644
--- a/loader/windows/icd_windows.c
+++ b/loader/windows/icd_windows.c
@@ -109,7 +109,7 @@ static WinLayer* pWinLayerBegin;
 static WinLayer* pWinLayerEnd;
 static WinLayer* pWinLayerCapacity;
 
-static int compareLayer(const void *a, const void *b)
+static int __cdecl compareLayer(const void *a, const void *b)
 {
     return ((WinLayer *)a)->priority < ((WinLayer *)b)->priority ? -1 :
            ((WinLayer *)a)->priority > ((WinLayer *)b)->priority ? 1 : 0;