diff --git a/wled00/FX.h b/wled00/FX.h
index b30231983..d33d950fc 100644
--- a/wled00/FX.h
+++ b/wled00/FX.h
@@ -331,7 +331,7 @@ class WS2812FX {
         deallocateData();
         if (WS2812FX::instance->_usedSegmentData + len > MAX_SEGMENT_DATA) return false; //not enough memory
         // if possible use SPI RAM on ESP32
-        #ifdef ARDUINO_ARCH_ESP32
+        #ifdef ARDUINO_ARCH_ESP32 && defined(WLED_USE_PSRAM)
         if (psramFound())
           data = (byte*) ps_malloc(len);
         else
diff --git a/wled00/json.cpp b/wled00/json.cpp
index 42084db76..0333ef5f6 100644
--- a/wled00/json.cpp
+++ b/wled00/json.cpp
@@ -594,7 +594,7 @@ void serializeInfo(JsonObject root)
   #endif
 
   root[F("freeheap")] = ESP.getFreeHeap();
-  #ifdef ARDUINO_ARCH_ESP32
+  #ifdef ARDUINO_ARCH_ESP32 && defined(WLED_USE_PSRAM)
   if (psramFound()) root[F("psram")] = ESP.getFreePsram();
   #endif
   root[F("uptime")] = millis()/1000 + rolloverMillis*4294967;
diff --git a/wled00/xml.cpp b/wled00/xml.cpp
index 15d5abd5d..ad1ea5fbc 100644
--- a/wled00/xml.cpp
+++ b/wled00/xml.cpp
@@ -311,7 +311,7 @@ void getSettingsJS(byte subPage, char* dest)
       #ifdef WLED_DEBUG
         oappend(SET_F(",1")); // debug output (TX) pin
       #endif
-      #ifdef ARDUINO_ARCH_ESP32
+      #ifdef ARDUINO_ARCH_ESP32 && defined(WLED_USE_PSRAM)
         if (psramFound()) oappend(SET_F(",16,17")); // GPIO16 & GPIO17 reserved for SPI RAM
       #endif
       //TODO: add reservations for Ethernet shield pins