diff --git a/components/FastLED-idf/platforms/esp/32/clockless_rmt_esp32.cpp b/components/FastLED-idf/platforms/esp/32/clockless_rmt_esp32.cpp
index 2a31dd4..40185f6 100644
--- a/components/FastLED-idf/platforms/esp/32/clockless_rmt_esp32.cpp
+++ b/components/FastLED-idf/platforms/esp/32/clockless_rmt_esp32.cpp
@@ -366,7 +366,7 @@ void ESP32RMTController::initPulseBuffer(int size_in_bytes)
 {
     if (mBuffer == 0) {
         // -- Each byte has 8 bits, each bit needs a 32-bit RMT item
-        int size = size_in_bytes * 8 * 4;
+        mBufferSize = size_in_bytes * 8 * 4;
 
         mBuffer = (rmt_item32_t *) calloc( mBufferSize, sizeof(rmt_item32_t));
     }