diff --git a/src/plugins/debugger/gdbengine.cpp b/src/plugins/debugger/gdbengine.cpp
index aea9635048f9711418da8d97a98f6b2c5a6fa6f4..f1042c4faf5e488a8fe97d397f5cee0fb2dc9d5b 100644
--- a/src/plugins/debugger/gdbengine.cpp
+++ b/src/plugins/debugger/gdbengine.cpp
@@ -3971,7 +3971,7 @@ void GdbEngine::tryLoadCustomDumpers()
         if (qq->useFastStart())
             sendCommand("set stop-on-solib-events 0");
         QString flag = QString::number(RTLD_NOW);
-        sendCommand("call dlopen(\"" + lib + "\", " + flag + ")");
+        sendCommand("call (void)dlopen(\"" + lib + "\", " + flag + ")");
         sendCommand("sharedlibrary " + dotEscape(lib));
         if (qq->useFastStart())
             sendCommand("set stop-on-solib-events 1");