diff --git a/CHANGELOG.md b/CHANGELOG.md
index d08abe70b..024175579 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ All notable changes to this project will be documented in this file.
 ### Breaking Changed
 
 ### Changed
+- ESP32 disable PSRAM check (and on restart some relay toggles) with `#define DISABLE_PSRAMCHECK` (#21266)
 
 ### Fixed
 
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index c851fcfb0..9568d89be 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -121,6 +121,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 ### Breaking Changed
 
 ### Changed
+- ESP32 disable PSRAM check (and on restart some relay toggles) with `#define DISABLE_PSRAMCHECK` [#21266](https://github.com/arendst/Tasmota/issues/21266)
 
 ### Fixed
 
diff --git a/tasmota/tasmota.ino b/tasmota/tasmota.ino
index 94b611e1a..923bd7556 100644
--- a/tasmota/tasmota.ino
+++ b/tasmota/tasmota.ino
@@ -409,6 +409,7 @@ void setup(void) {
 #endif  // DISABLE_ESP32_BROWNOUT
 
 #ifndef FIRMWARE_SAFEBOOT
+#ifndef DISABLE_PSRAMCHECK
 #ifndef CORE32SOLO1
   // restore GPIO5/18 or 16/17 if no PSRAM is found which may be used by Ethernet among others
   if (!FoundPSRAM()) {
@@ -422,6 +423,7 @@ void setup(void) {
     }
   }
 #endif  // CORE32SOLO1
+#endif  // DISABLE_PSRAMCHECK
 #endif  // FIRMWARE_SAFEBOOT
 #endif  // CONFIG_IDF_TARGET_ESP32
 #endif  // ESP32