diff --git a/src/engine/enginemaster.cpp b/src/engine/enginemaster.cpp
index 4d94842..e984a4f 100644
--- a/src/engine/enginemaster.cpp
+++ b/src/engine/enginemaster.cpp
@@ -19,6 +19,8 @@
 #include <QList>
 #include <QPair>
 
+#include <xmmintrin.h>
+
 #include "controlpushbutton.h"
 #include "configobject.h"
 #include "controlaudiotaperpot.h"
@@ -44,6 +46,7 @@
 #include "util/defs.h"
 #include "playermanager.h"
 #include "engine/channelmixer.h"
+#include "util/experiment.h"
 
 EngineMaster::EngineMaster(ConfigObject<ConfigValue>* _config,
                            const char* group,
@@ -308,6 +311,28 @@ void EngineMaster::process(const int iBufferSize) {
     }
     Trace t("EngineMaster::process");
 
+#define _MM_DENORMALS_ZERO_MASK   0x0040
+#define _MM_DENORMALS_ZERO_ON     0x0040
+#define _MM_DENORMALS_ZERO_OFF    0x0000
+
+#define _MM_SET_DENORMALS_ZERO_MODE(mode)                                   \
+            _mm_setcsr((_mm_getcsr() & ~_MM_DENORMALS_ZERO_MASK) | (mode))
+#define _MM_GET_DENORMALS_ZERO_MODE()                                       \
+            (_mm_getcsr() & _MM_DENORMALS_ZERO_MASK)
+
+    static bool ftz_on = false;
+    if (Experiment::isBase()) {
+        if (ftz_on) {
+            _MM_SET_DENORMALS_ZERO_MODE(_MM_DENORMALS_ZERO_OFF);
+            ftz_on = false;
+        }
+    } else if (Experiment::isExperiment()) {
+        if (!ftz_on) {
+            _MM_SET_DENORMALS_ZERO_MODE(_MM_DENORMALS_ZERO_ON);
+            ftz_on = true;
+        }
+    }
+
     bool masterEnabled = m_pMasterEnabled->get();
     bool headphoneEnabled = m_pHeadphoneEnabled->get();