diff --git a/src/processor/exploitability_linux.cc b/src/processor/exploitability_linux.cc
index 7a0fb71a..d4900bb0 100644
--- a/src/processor/exploitability_linux.cc
+++ b/src/processor/exploitability_linux.cc
@@ -502,7 +502,9 @@ bool ExploitabilityLinux::DisassembleBytes(const string& architecture,
     unlink(raw_bytes_tmpfile);
     return false;
   }
-  if (write(raw_bytes_fd, raw_bytes, raw_bytes_len) != raw_bytes_len) {
+  // Casting raw_bytes_len to `ssize_t` won't cause a sign flip, since we check
+  // its bounds above.
+  if (write(raw_bytes_fd, raw_bytes, raw_bytes_len) != (ssize_t)raw_bytes_len) {
     BPLOG(ERROR) << "Writing of raw bytes failed.";
     unlink(raw_bytes_tmpfile);
     return false;