diff --git a/src/cmd_dynamic/cmd_InteractiveBash.cpp b/src/cmd_dynamic/cmd_InteractiveBash.cpp
index 0c925fe4..58474063 100644
--- a/src/cmd_dynamic/cmd_InteractiveBash.cpp
+++ b/src/cmd_dynamic/cmd_InteractiveBash.cpp
@@ -43,7 +43,7 @@ static void InvaildatePipe(pipe_t fd) {
     }
 }
 
-#define writeStr(fd, str) write(fd, str, sizeof(str))
+#define writeStr(fd, str) (void) write(fd, str, sizeof(str))
 
 static bool SendCommand(const std::string& str) {
     int rc;