diff --git a/usermods/Temperature/usermod_temperature.h b/usermods/Temperature/usermod_temperature.h
index f2dc4db9..b55076c7 100644
--- a/usermods/Temperature/usermod_temperature.h
+++ b/usermods/Temperature/usermod_temperature.h
@@ -383,9 +383,9 @@ class UsermodTemperature : public Usermod {
 
     void appendConfigData()
     {
-      oappend(SET_F("addInfo('")); oappend(SET_F(FPSTR(_name))); oappend(SET_F(":")); oappend(SET_F(FPSTR(_parasite)));
+      oappend(SET_F("addInfo('")); oappend(String(FPSTR(_name)).c_str()); oappend(SET_F(":")); oappend(String(FPSTR(_parasite)).c_str());
       oappend(SET_F("',1,'<i>(if no Vcc connected)</i>');"));  // 0 is field type, 1 is actual field
-      oappend(SET_F("addInfo('")); oappend(SET_F(FPSTR(_name))); oappend(SET_F(":")); oappend(SET_F(FPSTR(_parasitePin)));
+      oappend(SET_F("addInfo('")); oappend(String(FPSTR(_name)).c_str()); oappend(SET_F(":")); oappend(String(FPSTR(_parasitePin)).c_str());
       oappend(SET_F("',1,'<i>(for external MOSFET)</i>');"));  // 0 is field type, 1 is actual field
     }
 
diff --git a/usermods/multi_relay/usermod_multi_relay.h b/usermods/multi_relay/usermod_multi_relay.h
index b8bd4f6e..de68e11b 100644
--- a/usermods/multi_relay/usermod_multi_relay.h
+++ b/usermods/multi_relay/usermod_multi_relay.h
@@ -184,7 +184,7 @@ class MultiRelay : public Usermod {
      */
     MultiRelay() {
       const int8_t defPins[] = {MULTI_RELAY_PINS};
-      for (int i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
+      for (size_t i=0; i<MULTI_RELAY_MAX_RELAYS; i++) {
         _relay[i].pin      = i<sizeof(defPins) ? defPins[i] : -1;
         _relay[i].delay    = 0;
         _relay[i].mode     = false;
diff --git a/wled00/FX.cpp b/wled00/FX.cpp
index 38b31177..969f459e 100644
--- a/wled00/FX.cpp
+++ b/wled00/FX.cpp
@@ -4868,7 +4868,7 @@ uint16_t mode_2Dgameoflife(void) { // Written by Ewoud Wijma, inspired by https:
 
     for (int y = 0; y < rows; y++) for (int x = 0; x < cols; x++) prevLeds[XY(x,y)] = CRGB::Black;
     memset(crcBuffer, 0, sizeof(uint16_t)*crcBufferLen);
-  } else if (strip.now - SEGENV.step < FRAMETIME_FIXED * map(SEGMENT.speed,0,255,64,4)) {
+  } else if (strip.now - SEGENV.step < FRAMETIME_FIXED * (uint32_t)map(SEGMENT.speed,0,255,64,4)) {
     // update only when appropriate time passes (in 42 FPS slots)
     return FRAMETIME;
   }