diff --git a/Catena4430_Sensor.ino b/Catena4430_Sensor.ino
index e5ea7f6..e7b630a 100644
--- a/Catena4430_Sensor.ino
+++ b/Catena4430_Sensor.ino
@@ -43,7 +43,7 @@ static_assert(
     "This sketch requires Catena-Arduino-Platform v0.21.0-5 or later"
     );
 
-constexpr std::uint32_t kAppVersion = McciCatena4430::makeVersion(2,2,0,0);
+constexpr std::uint32_t kAppVersion = McciCatena4430::makeVersion(2,2,1,0);
 constexpr std::uint32_t kDoubleResetWaitMs = 3000;
 constexpr std::uint32_t kSetDoubleResetMagic = 0xCA44301;
 constexpr std::uint32_t kClearDoubleResetMagic = 0xCA44300;
diff --git a/Catena4430_cMeasurementLoop.h b/Catena4430_cMeasurementLoop.h
index ea568d1..a30cba6 100644
--- a/Catena4430_cMeasurementLoop.h
+++ b/Catena4430_cMeasurementLoop.h
@@ -141,7 +141,7 @@ class cMeasurementLoop : public McciCatena::cPollableObject
     // version parameters
     static constexpr std::uint8_t kMajor = 2;
     static constexpr std::uint8_t kMinor = 2;
-    static constexpr std::uint8_t kPatch = 0;
+    static constexpr std::uint8_t kPatch = 1;
     static constexpr std::uint8_t kLocal = 0;
 
     // some parameters
diff --git a/Catena4430_cMeasurementLoopV2.cpp b/Catena4430_cMeasurementLoopV2.cpp
index ba4173a..5d8a759 100644
--- a/Catena4430_cMeasurementLoopV2.cpp
+++ b/Catena4430_cMeasurementLoopV2.cpp
@@ -89,32 +89,37 @@ bool cMeasurementLoopV2::takeMeasurements(void)
                 {
                 this->m_fHardError = true;
                 if (gLog.isEnabled(gLog.DebugFlags::kError))
+                    {
                     gLog.printf(
                         gLog.kAlways,
                         "LTR329 queryReady failed: status %s(%u)\n",
                         this->m_Ltr.getLastErrorName(),
                         unsigned(this->m_Ltr.getLastError())
                         );
+
+                    this->m_Ltr.begin();
+                    }
                 }
             else
                 {
                 currentLux = this->m_Ltr.getLux();
 
-                this->m_data.flags |= FlagsV2::Light;
-                this->m_data.light.Lux = currentLux;
-
                 if (currentLux <= kMax_Gain_96)
-                    m_AlsCtrl.setGain(96);
+                    this->m_Ltr.setGain(96);
                 else if (currentLux <= kMax_Gain_48)
-                    m_AlsCtrl.setGain(48);
+                    this->m_Ltr.setGain(48);
                 else if (currentLux <= kMax_Gain_8)
-                    m_AlsCtrl.setGain(8);
+                    this->m_Ltr.setGain(8);
                 else if (currentLux <= kMax_Gain_4)
-                    m_AlsCtrl.setGain(4);
+                    this->m_Ltr.setGain(4);
                 else if (currentLux <= kMax_Gain_2)
-                    m_AlsCtrl.setGain(2);
+                    this->m_Ltr.setGain(2);
                 else
-                    m_AlsCtrl.setGain(1);
+                    this->m_Ltr.setGain(1);
+
+                currentLux = this->m_Ltr.getLux();
+                this->m_data.flags |= FlagsV2::Light;
+                this->m_data.light.Lux = currentLux;
 
                 if (currentLux <= 100)
                     gpMeasurementLoopConcrete->m_fLowLight = true;