diff --git a/plugins/openvr/src/OpenVrHelpers.cpp b/plugins/openvr/src/OpenVrHelpers.cpp
index 61fab23b6d..eab0e8d433 100644
--- a/plugins/openvr/src/OpenVrHelpers.cpp
+++ b/plugins/openvr/src/OpenVrHelpers.cpp
@@ -407,6 +407,14 @@ void showMinSpecWarning() {
     }
 
     // Needed here for PathUtils
+#ifdef Q_OS_LINUX
+    char cmdline[4096];
+    FILE* fp = fopen("/proc/self/cmdline", "r");
+    fgets(cmdline, sizeof cmdline, fp);
+    fclose(fp);
+    int __argc = 1;
+    char* __argv[1] = { cmdline };
+#endif
     QCoreApplication miniApp(__argc, __argv);
 
     vrSystem->ResetSeatedZeroPose();
@@ -486,7 +494,12 @@ bool checkMinSpecImpl() {
 }
 
 extern "C" {
+#if defined(Q_OS_WIN32)
     __declspec(dllexport) int __stdcall CheckMinSpec() {
+#else
+    __attribute__((visibility("default"))) int CheckMinSpec() {
+#endif
         return checkMinSpecImpl() ? 1 : 0;
     }
+
 }
diff --git a/plugins/openvr/src/OpenVrHelpers.h b/plugins/openvr/src/OpenVrHelpers.h
index b0960a03eb..150405ce71 100644
--- a/plugins/openvr/src/OpenVrHelpers.h
+++ b/plugins/openvr/src/OpenVrHelpers.h
@@ -76,7 +76,7 @@ struct PoseData {
     }
 
     void update(const glm::mat4& resetMat) {
-        for (int i = 0; i < vr::k_unMaxTrackedDeviceCount; i++) {
+        for (uint32_t i = 0; i < vr::k_unMaxTrackedDeviceCount; i++) {
             if (!vrPoses[i].bPoseIsValid) {
                 continue;
             }
@@ -87,7 +87,7 @@ struct PoseData {
     }
 
     void resetToInvalid() {
-        for (int i = 0; i < vr::k_unMaxTrackedDeviceCount; i++) {
+        for (uint32_t i = 0; i < vr::k_unMaxTrackedDeviceCount; i++) {
             vrPoses[i].bPoseIsValid = false;
         }
     }
diff --git a/plugins/openvr/src/ViveControllerManager.h b/plugins/openvr/src/ViveControllerManager.h
index dbd248dc53..163d6f0e0a 100644
--- a/plugins/openvr/src/ViveControllerManager.h
+++ b/plugins/openvr/src/ViveControllerManager.h
@@ -52,7 +52,7 @@ public:
     bool activate() override;
     void deactivate() override;
 
-    QString getDeviceName() { return QString::fromStdString(_inputDevice->_headsetName); }
+    QString getDeviceName() override { return QString::fromStdString(_inputDevice->_headsetName); }
 
     void pluginFocusOutEvent() override { _inputDevice->focusOutEvent(); }
     void pluginUpdate(float deltaTime, const controller::InputCalibrationData& inputCalibrationData) override;