diff --git a/include/spdlog/details/file_helper-inl.h b/include/spdlog/details/file_helper-inl.h
index 8276633b..fa082253 100644
--- a/include/spdlog/details/file_helper-inl.h
+++ b/include/spdlog/details/file_helper-inl.h
@@ -84,7 +84,10 @@ SPDLOG_INLINE void file_helper::reopen(bool truncate)
 
 SPDLOG_INLINE void file_helper::flush()
 {
-    std::fflush(fd_);
+    if(std::fflush(fd_) != 0)
+    {
+        throw_spdlog_ex("Failed flush to file " + os::filename_to_str(filename_), errno);
+    }
 }
 
 SPDLOG_INLINE void file_helper::close()