diff --git a/csrc/kda/sm90/utils/common.hpp b/csrc/kda/sm90/utils/common.hpp
index a307de68..e9d7f0e8 100644
--- a/csrc/kda/sm90/utils/common.hpp
+++ b/csrc/kda/sm90/utils/common.hpp
@@ -42,7 +42,7 @@
     do {                                                                                                 \
         if (!(expr)) {                                                                                   \
             std::string buffer(1024, '\0');                                                              \
-            sprintf(buffer.data(), "Failed to check %s, %s at %s:%d\n", ##expr, msg __FILE__, __LINE__); \
+            snprintf(buffer.data(), buffer.size(), "Failed to check %s, %s at %s:%d\n", #expr, msg, __FILE__, __LINE__); \
             throw std::runtime_error(buffer.c_str());                                                    \
         }                                                                                                \
     } while (0)
@@ -52,8 +52,8 @@
         cudaError_t err = (expr);                                                                                      \
         if (err != cudaSuccess) {                                                                                      \
             std::string buffer(1024, '\0');                                                                            \
-            sprintf(                                                                                                   \
-                buffer.data(), "CUDA Error: %s, Code: %d at %s:%d\n", cudaGetErrorName(err), err, __FILE__, __LINE__); \
+            snprintf(                                                                                                  \
+                buffer.data(), buffer.size(), "CUDA Error: %s, Code: %d at %s:%d\n", cudaGetErrorName(err), err, __FILE__, __LINE__); \
             throw std::runtime_error(buffer.c_str());                                                                  \
         }                                                                                                              \
     } while (0)