diff --git a/src/plugins/fluidsynthsoundcontroller/fluidsynthsoundcontroller.cpp b/src/plugins/fluidsynthsoundcontroller/fluidsynthsoundcontroller.cpp
--- a/src/plugins/fluidsynthsoundcontroller/fluidsynthsoundcontroller.cpp
+++ b/src/plugins/fluidsynthsoundcontroller/fluidsynthsoundcontroller.cpp
@@ -22,6 +22,8 @@
 
 #include "fluidsynthsoundcontroller.h"
 
+#include <QDir>
+#include <QFile>
 #include <QUrl>
 #include <QtMath>
 #include <QDebug>
@@ -50,11 +52,32 @@
 #ifdef Q_OS_WIN
     const QString sf_path = QStandardPaths::locate(QStandardPaths::AppDataLocation, QStringLiteral("minuet/soundfonts/GeneralUser-v1.47.sf2"));
 #else
-    const QString sf_path = QStandardPaths::locate(QStandardPaths::AppDataLocation, QStringLiteral("soundfonts/GeneralUser-v1.47.sf2"));
+    QString sf_path = QStandardPaths::locate(QStandardPaths::AppDataLocation, QStringLiteral("soundfonts/GeneralUser-v1.47.sf2"));
+#ifdef Q_OS_MACOS
+    // Qt does not check XDG_DATA_DIRS for MACOS but KDE prefix.sh script sets it.
+    // If AppDataLocation fail, we should give a shot and check XDG env variable
+    if (sf_path.isEmpty()) {
+        const QString xdgDataDirsEnv = QFile::decodeName(qgetenv("XDG_DATA_DIRS"));
+        if (!xdgDataDirsEnv.isEmpty()) {
+            const auto parts = xdgDataDirsEnv.splitRef(QLatin1Char(':'), QString::SkipEmptyParts);
+            // Normalize paths, skip relative paths
+            for (const QStringRef &dir : parts) {
+                if (dir.startsWith(QLatin1Char('/'))) {
+                    const QFile testFile(QDir(dir.toString()).absoluteFilePath(QStringLiteral("minuet/soundfonts/GeneralUser-v1.47.sf2")));
+                    if (testFile.exists()) {
+                        sf_path = testFile.fileName();
+                        break;
+                    }
+                }
+            }
+        }
+    }
+#endif
 #endif
+
     int fluid_res = fluid_synth_sfload(m_synth, sf_path.toLatin1(), 1);
     if (fluid_res == FLUID_FAILED)
-        qCritical() << "Error when loading soundfont!";
+        qCritical() << "Error when loading soundfont in:" << sf_path;
 
     m_unregisteringEvent = new_fluid_event();
     fluid_event_set_source(m_unregisteringEvent, -1);