--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -3038,6 +3038,15 @@ QStringList QCoreApplication::libraryPathsLocked()
                 app_libpaths->append(installPathPlugins);
         }
 
+        // Add library paths derived from PATH
+        const QStringList paths = QFile::decodeName(qgetenv("PATH")).split(QStringLiteral(":"));
+        const QString plugindir = QStringLiteral("../" NIXPKGS_QT_PLUGIN_PREFIX);
+        for (const QString &path: paths) {
+            if (!path.isEmpty()) {
+                app_libpaths->append(QDir::cleanPath(path + QDir::separator() + plugindir));
+            }
+        }
+
         // If QCoreApplication is not yet instantiated,
         // make sure we add the application path when we construct the QCoreApplication
         if (self) self->d_func()->appendApplicationPathToLibraryPaths();