diff --git a/wled00/FX_fcn.cpp b/wled00/FX_fcn.cpp
index 688596eb..e3c30c68 100644
--- a/wled00/FX_fcn.cpp
+++ b/wled00/FX_fcn.cpp
@@ -938,7 +938,7 @@ static void xyFromBlock(uint16_t &x,uint16_t &y, uint16_t i, uint16_t vW, uint16
 
 }
 
-void WLED_O2_ATTR __attribute__((hot)) Segment::setPixelColor(int i, uint32_t col) //WLEDMM: IRAM_ATTR conditionally
+void IRAM_ATTR_YN WLED_O2_ATTR __attribute__((hot)) Segment::setPixelColor(int i, uint32_t col) //WLEDMM: IRAM_ATTR conditionally
 {
   if (!isActive()) return; // not active
 #ifndef WLED_DISABLE_2D
diff --git a/wled00/colors.cpp b/wled00/colors.cpp
index 9b5a03d3..41028092 100644
--- a/wled00/colors.cpp
+++ b/wled00/colors.cpp
@@ -47,7 +47,7 @@ uint32_t WLED_O3_ATTR IRAM_ATTR_YN __attribute__((hot)) color_blend(uint32_t col
  * color add function that preserves ratio
  * idea: https://github.com/Aircoookie/WLED/pull/2465 by https://github.com/Proto-molecule
  */
-uint32_t WLED_O2_ATTR color_add(uint32_t c1, uint32_t c2, bool fast)   // WLEDMM added IRAM_ATTR_YN
+uint32_t WLED_O2_ATTR IRAM_ATTR_YN color_add(uint32_t c1, uint32_t c2, bool fast)   // WLEDMM added IRAM_ATTR_YN
 {
   if (c2 == 0) return c1;  // WLEDMM shortcut
   if (c1 == 0) return c2;  // WLEDMM shortcut