diff --git a/src/ui/Application.cpp b/src/ui/Application.cpp
index c59d37c..b324465 100644
--- a/src/ui/Application.cpp
+++ b/src/ui/Application.cpp
@@ -208,6 +208,7 @@ bool Application::Initialize(const std::string& windowTitle, int width, int heig
         m_prefsPath            = (dir / "preferences.ini").string();
         m_viewportPanel->LoadSettings(m_viewportSettingsPath);
         LoadPreferences();
+        ValidateOcioPreferences();
         // Apply pref delegate only to tiles that have no saved delegate.
         m_viewportPanel->ApplyDefaultDelegate(m_prefs.renderDelegate);
         // Color correction is always global — apply to all tiles.
@@ -480,6 +481,76 @@ void Application::LoadPreferences()
     }
 }
 
+void Application::ValidateOcioPreferences()
+{
+    // A persisted display/view that doesn't exist in the active OCIO config
+    // makes HdxColorCorrectionTask throw ("Display 'x' not found") every frame
+    // and silently skip correction, which reads as a washed-out viewport --
+    // worst on delegates like hdEmbree whose output depends on the transform.
+    // Note display and view are easy to invert: in the bundled ACES 1.2 config
+    // the only display is "ACES" and "sRGB" is one of its views.
+    const OcioConfig& cfg = GetCurrentOcioConfig();
+    if (!cfg.valid) {
+        // No $OCIO / unreadable config -- nothing to validate against. Leave
+        // the prefs alone rather than clobbering values that may be correct
+        // for a config supplied later.
+        return;
+    }
+
+    auto contains = [](const std::vector<std::string>& v, const std::string& s) {
+        return std::find(v.begin(), v.end(), s) != v.end();
+    };
+
+    // --- display ---
+    if (m_prefs.ocioDisplay.empty() || !contains(cfg.displays, m_prefs.ocioDisplay)) {
+        if (!m_prefs.ocioDisplay.empty()) {
+            LOG_WARNING("OCIO display '" + m_prefs.ocioDisplay
+                        + "' not in config; falling back to '"
+                        + cfg.defaultDisplay + "'");
+        }
+        m_prefs.ocioDisplay = cfg.defaultDisplay;
+    }
+
+    // --- view (must belong to the display resolved above) ---
+    auto viewsIt = cfg.views.find(m_prefs.ocioDisplay);
+    const std::vector<std::string>* views =
+        (viewsIt != cfg.views.end()) ? &viewsIt->second : nullptr;
+
+    if (views && !views->empty()) {
+        if (m_prefs.ocioView.empty() || !contains(*views, m_prefs.ocioView)) {
+            // Prefer the config default when it's valid for this display,
+            // otherwise take the display's first view.
+            const std::string fallback =
+                contains(*views, cfg.defaultView) ? cfg.defaultView : views->front();
+            if (!m_prefs.ocioView.empty()) {
+                LOG_WARNING("OCIO view '" + m_prefs.ocioView
+                            + "' not valid for display '" + m_prefs.ocioDisplay
+                            + "'; falling back to '" + fallback + "'");
+            }
+            m_prefs.ocioView = fallback;
+        }
+    }
+
+    // --- color space (same failure mode if it names a missing space) ---
+    if (!m_prefs.ocioColorSpace.empty()
+        && !contains(cfg.colorSpaces, m_prefs.ocioColorSpace)) {
+        LOG_WARNING("OCIO color space '" + m_prefs.ocioColorSpace
+                    + "' not in config; clearing it");
+        m_prefs.ocioColorSpace.clear();
+    }
+
+    // --- look ---
+    if (!m_prefs.ocioLook.empty()
+        && !contains(cfg.looks, m_prefs.ocioLook)) {
+        LOG_WARNING("OCIO look '" + m_prefs.ocioLook
+                    + "' not in config; clearing it");
+        m_prefs.ocioLook.clear();
+    }
+
+    LOG_INFO("OCIO display/view: '" + m_prefs.ocioDisplay + "' / '"
+             + m_prefs.ocioView + "'");
+}
+
 void Application::SavePreferences()
 {
     // Pull the latest splitter positions; called from Shutdown before the
diff --git a/src/ui/Application.h b/src/ui/Application.h
index c58a0aa..dd74cbb 100644
--- a/src/ui/Application.h
+++ b/src/ui/Application.h
@@ -79,6 +79,10 @@ private:
     // Preferences
     void LoadPreferences();
     void SavePreferences();
+    /// Reconcile persisted OCIO display/view names against the active config.
+    /// Falls back to the config defaults when a name doesn't exist, so a stale
+    /// or mistyped preference can't silently disable color correction.
+    void ValidateOcioPreferences();
     void ApplyPrefsToAllViewports();
     void RenderPreferencesDialog();