diff --git a/libs/openFrameworks/graphics/ofPixels.h b/libs/openFrameworks/graphics/ofPixels.h
index b1121dd1411..90d8239a1c0 100644
--- a/libs/openFrameworks/graphics/ofPixels.h
+++ b/libs/openFrameworks/graphics/ofPixels.h
@@ -4,6 +4,7 @@
 #include "ofUtils.h"
 #include "ofColor.h"
 #include "ofLog.h"
+#include "ofMath.h"
 #include <limits>
 
 
@@ -706,7 +707,7 @@ void ofPixels_<PixelType>::copyFrom(const ofPixels_<SrcType> & mom){
 		if(sizeof(SrcType) == sizeof(float)) {
 			// coming from float we need a special case to clamp the values
 			for(size_t i = 0; i < mom.size(); i++){
-				pixels[i] = CLAMP(mom[i], 0, 1) * factor;
+				pixels[i] = ofClamp(mom[i], 0, 1) * factor;
 			}
 		} else{
 			// everything else is a straight scaling