diff --git a/src/meshlabplugins/edit_paint/edit_paint.cpp b/src/meshlabplugins/edit_paint/edit_paint.cpp
index 8198771ae..13fbcac53 100644
--- a/src/meshlabplugins/edit_paint/edit_paint.cpp
+++ b/src/meshlabplugins/edit_paint/edit_paint.cpp
@@ -1342,7 +1342,7 @@ void drawPercentualPolyLine(GLArea * gla, QPoint &mid, MeshModel &m, GLfloat* pi
 			da = da / 2.0;
 			db = db / 2.0;
 			dc = dc / 2.0;
-			if (fabsf(zz - pix_z) < 0.001)
+			if (std::abs(zz - pix_z) < 0.001)
 			{
 				proj_points[i] = QPointF(pix_x, inv_yy);
 				break;
diff --git a/src/meshlabplugins/edit_paint/edit_paint.h b/src/meshlabplugins/edit_paint/edit_paint.h
index a9b6c9a1d..f097dba7b 100644
--- a/src/meshlabplugins/edit_paint/edit_paint.h
+++ b/src/meshlabplugins/edit_paint/edit_paint.h
@@ -332,16 +332,17 @@ inline void fastMultiply(float x, float y, float z, double matrix[], double *xr,
  */
 inline int getNearest(QPointF center, QPointF *points, int num)
 {
+	using std::abs;
 	int index = 0;
 
-	float dist = fabsf(center.x() - points[0].x())*fabsf(center.x() - points[0].x()) + fabsf(center.y() - points[0].y())*fabsf(center.y() - points[0].y());
+	float dist = abs(center.x() - points[0].x())*abs(center.x() - points[0].x()) + abs(center.y() - points[0].y())*abs(center.y() - points[0].y());
 
 	float temp = 0;
 
 	for (int i = 1; i < num; i++)
 	{
-		temp = fabsf(center.x() - points[i].x())*fabsf(center.x() - points[i].x()) +
-			fabsf(center.y() - points[i].y())*fabsf(center.y() - points[i].y());
+		temp = abs(center.x() - points[i].x())*abs(center.x() - points[i].x()) +
+			abs(center.y() - points[i].y())*abs(center.y() - points[i].y());
 
 		if (temp < dist) {
 			index = i;