diff --git a/src/NativePresets/MstressJuppyDancer.cpp b/src/NativePresets/MstressJuppyDancer.cpp
index 055cc840f..d19210511 100644
--- a/src/NativePresets/MstressJuppyDancer.cpp
+++ b/src/NativePresets/MstressJuppyDancer.cpp
@@ -74,7 +74,7 @@ public:
 		float mi = min(above(middiff,0)*middiff*.005,.11);
 
 		mi2_prg = mi2_prg+mi;
-		gam = abs(gam-above(mi2_prg,5));
+        gam = std::abs(gam-above(mi2_prg,5));
 		mi2_prg= if_milk(above(mi2_prg,5),0,mi2_prg);
 
 		float s = context.sample_int;
@@ -182,7 +182,7 @@ public:
 		middiff = (music.mid - meanmid)*15;
 		float mi = min(above(middiff,0)*middiff*.005,.11);
 		mi_prg = mi_prg+mi;
-		gam = abs(gam-above(mi_prg,.5));
+        gam = std::abs(gam-above(mi_prg,.5));
 		mi_prg= if_milk(above(mi_prg,.5),0,mi_prg);
 		q1 = gam;
 		bass = music.bass;
diff --git a/src/NativePresets/RovastarDriftingChaos.cpp b/src/NativePresets/RovastarDriftingChaos.cpp
index d5bb16603..07ab01c7d 100644
--- a/src/NativePresets/RovastarDriftingChaos.cpp
+++ b/src/NativePresets/RovastarDriftingChaos.cpp
@@ -70,15 +70,15 @@ public:
 		xamptarg = if_milk(equal(context.frame%15,0),min(0.5*volume*music.bass_att,0.5),xamptarg);
 		xamp = xamp + 0.5*(xamptarg-xamp);
 
-		xdir = if_milk(above(abs(xpos),xamp),-sign(xpos),if_milk(below(abs(xspeed),0.1),2*above(xpos,0)-1,xdir));
-		xspeed += xdir*xamp - xpos - xspeed*0.055*below(abs(xpos),xamp);
+		xdir = if_milk(above(std::abs(xpos),xamp),-sign(xpos),if_milk(below(std::abs(xspeed),0.1),2*above(xpos,0)-1,xdir));
+		xspeed += xdir*xamp - xpos - xspeed*0.055*below(std::abs(xpos),xamp);
 		xpos = xpos + 0.001*xspeed;
 		dx = xpos*0.005;
 		yamptarg = if_milk(equal(context.frame%15,0),min(0.3*volume*music.treb_att,0.5),yamptarg);
 		yamp +=  0.5*(yamptarg-yamp);
-		ydir = if_milk(above(abs(ypos),yamp),-sign(ypos),if_milk(below(abs(yspeed),0.1),2*above(ypos,0)-1,ydir));
+		ydir = if_milk(above(std::abs(ypos),yamp),-sign(ypos),if_milk(below(std::abs(yspeed),0.1),2*above(ypos,0)-1,ydir));
 
-		yspeed += ydir*yamp - ypos - yspeed*0.055*below(abs(ypos),yamp);
+		yspeed += ydir*yamp - ypos - yspeed*0.055*below(std::abs(ypos),yamp);
 		ypos = ypos + 0.001*yspeed;
 
 		dy = ypos*0.005;
diff --git a/src/NativePresets/RovastarFractalSpiral.cpp b/src/NativePresets/RovastarFractalSpiral.cpp
index 19f5c4fac..9fb73ca0b 100644
--- a/src/NativePresets/RovastarFractalSpiral.cpp
+++ b/src/NativePresets/RovastarFractalSpiral.cpp
@@ -54,8 +54,8 @@ public:
 	virtual PixelPoint PerPixel(PixelPoint p, const PerPixelContext context)
 	{
 		float q1 = 8.05+(sin(p.x+0.137*time)-cos(p.y+0.213*time));
-		int val1 = abs(p.x*3-0.4*sin(q1));
-		int val2 = abs(p.y*3+0.4*sin(q1));
+		int val1 = std::abs(p.x*3-0.4*sin(q1));
+		int val2 = std::abs(p.y*3+0.4*sin(q1));
 		val1 = val1%2;
 		val2 = val2%2;