5 files changed, 8 insertions, 8 deletions
diff --git a/engines/sludge/backdrop.cpp b/engines/sludge/backdrop.cpp
index bda9f5544e..aada7f110c 100644
--- a/engines/sludge/backdrop.cpp
+++ b/engines/sludge/backdrop.cpp
@@ -399,7 +399,7 @@ void blankScreen(int x1, int y1, int x2, int y2) {
 }
 
 void hardScroll(int distance) {
-	if (abs(distance) >= sceneHeight) {
+	if (ABS(distance) >= sceneHeight) {
 		blankScreen(0, 0, sceneWidth, sceneHeight);
 		return;
 	}
diff --git a/engines/sludge/builtin.cpp b/engines/sludge/builtin.cpp
index 3a79590420..123841c11f 100644
--- a/engines/sludge/builtin.cpp
+++ b/engines/sludge/builtin.cpp
@@ -1667,7 +1667,7 @@ builtIn(pasteCharacter) {
 		}
 
 		int fNum = myAnim->frames[thisPerson->frameNum].frameNum;
-		fixScaleSprite(thisPerson->x, thisPerson->y, myAnim->theSprites->bank.sprites[abs(fNum)], myAnim->theSprites->bank.myPalette, thisPerson, 0, 0, fNum < 0);
+		fixScaleSprite(thisPerson->x, thisPerson->y, myAnim->theSprites->bank.sprites[ABS(fNum)], myAnim->theSprites->bank.myPalette, thisPerson, 0, 0, fNum < 0);
 		setVariable(fun->reg, SVT_INT, 1);
 	} else {
 		setVariable(fun->reg, SVT_INT, 0);
diff --git a/engines/sludge/line.cpp b/engines/sludge/line.cpp
index 2262d9255f..58fd64a59b 100644
--- a/engines/sludge/line.cpp
+++ b/engines/sludge/line.cpp
@@ -63,8 +63,8 @@ void drawLine(int x1, int y1, int x2, int y2) {
 	} else
 		y = y1;
 
-	int diffX = abs(x2 - x1);
-	int diffY = abs(y2 - y1);
+	int diffX = ABS(x2 - x1);
+	int diffY = ABS(y2 - y1);
 
 	if (!diffX) {
 		diffX = 1;
diff --git a/engines/sludge/movie.cpp b/engines/sludge/movie.cpp
index da6eb7f203..06defc4620 100644
--- a/engines/sludge/movie.cpp
+++ b/engines/sludge/movie.cpp
@@ -155,7 +155,7 @@ inline static int audio_queue_get(audioQueue *q, char **buffer) {
 	if (audioBuf) {
 		// Synch video timer to audio
 		Uint32 tick = SDL_GetTicks() + 100;
-		if (abs((long int)((tick - movieStartTick) - (audioBuf->time_ms))) > 300) {
+		if (ABS((long int)((tick - movieStartTick) - (audioBuf->time_ms))) > 300) {
 			movieStartTick = tick - audioBuf->time_ms;
 		}
 
diff --git a/engines/sludge/people.cpp b/engines/sludge/people.cpp
index 1fd6931b6f..94663eedf3 100644
--- a/engines/sludge/people.cpp
+++ b/engines/sludge/people.cpp
@@ -471,7 +471,7 @@ void drawPeople() {
 			}
 			int fNumSign = myAnim->frames[thisPerson->frameNum].frameNum;
 			int m = fNumSign < 0;
-			int fNum = abs(fNumSign);
+			int fNum = ABS(fNumSign);
 			if (fNum >= myAnim->theSprites->bank.total) {
 				fNum = 0;
 				m = 2 - m;
@@ -643,9 +643,9 @@ bool walkMe(onScreenPerson *thisPerson, bool move = true) {
 		if (s < 0.2)
 			s = 0.2;
 
-		maxDiff = (abs(xDiff) >= abs(yDiff)) ? abs(xDiff) : abs(yDiff);
+		maxDiff = (ABS(xDiff) >= ABS(yDiff)) ? ABS(xDiff) : ABS(yDiff);
 
-		if (abs(maxDiff) > s) {
+		if (ABS(maxDiff) > s) {
 			if (thisPerson->spinning) {
 				spinStep(thisPerson);
 				setFrames(*thisPerson, ANI_WALK);