diff --git a/src/plugins/projectexplorer/devicesupport/sshdeviceprocess.cpp b/src/plugins/projectexplorer/devicesupport/sshdeviceprocess.cpp
index c4ffcbcf050..a73ac074839 100644
--- a/src/plugins/projectexplorer/devicesupport/sshdeviceprocess.cpp
+++ b/src/plugins/projectexplorer/devicesupport/sshdeviceprocess.cpp
@@ -322,7 +322,7 @@ void SshDeviceProcess::SshDeviceProcessPrivate::doSignal(Signal signal)
     case SshDeviceProcessPrivate::Connected:
     case SshDeviceProcessPrivate::ProcessRunning:
         DeviceProcessSignalOperation::Ptr signalOperation = q->device()->signalOperation();
-        quint64 processId = q->processId();
+        const qint64 processId = q->processId();
         if (signal == Signal::Interrupt) {
             if (processId != 0)
                 signalOperation->interruptProcess(processId);