diff --git a/source/blood/src/common_game.h b/source/blood/src/common_game.h
index 384f33a26..b6608d274 100644
--- a/source/blood/src/common_game.h
+++ b/source/blood/src/common_game.h
@@ -514,21 +514,21 @@ inline int QRandom2(int a1)
 template<class T>
 inline void SetBitString(T *pArray, int nIndex)
 {
-	static_assert(sizeof(T) == 1);
+	static_assert(sizeof(T) == 1, "");
 	pArray[nIndex>>3] |= 1<<(nIndex&7);
 }
 
 template<class T>
 inline void ClearBitString(T *pArray, int nIndex)
 {
-	static_assert(sizeof(T) == 1);
+	static_assert(sizeof(T) == 1, "");
 	pArray[nIndex >> 3] &= ~(1 << (nIndex & 7));
 }
 
 template<class T>
 inline char TestBitString(T *pArray, int nIndex)
 {
-	static_assert(sizeof(T) == 1);
+	static_assert(sizeof(T) == 1, "");
     return pArray[nIndex>>3] & (1<<(nIndex&7));
 }