diff --git a/MagickCore/quantize.c b/MagickCore/quantize.c
index c1faafa..29a1c1d 100644
--- a/MagickCore/quantize.c
+++ b/MagickCore/quantize.c
@@ -543,7 +543,7 @@
image_view=AcquireAuthenticCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(status) \
- dynamic_num_threads_dos(image->columns,image->rows)
+ dynamic_number_threads(image->columns,image->rows,1)
#endif
for (y=0; y < (ssize_t) image->rows; y++)
{
@@ -2380,7 +2380,7 @@
if (image->storage_class == PseudoClass)
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(progress,status) \
- dynamic_num_threads_uno(image->colors)
+ dynamic_number_threads(image->columns,1,1)
#endif
for (i=0; i < (ssize_t) image->colors; i++)
{
@@ -2408,7 +2408,7 @@
image_view=AcquireAuthenticCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(progress,status) \
- dynamic_num_threads_dos(image->columns,image->rows)
+ dynamic_number_threads(image->columns,image->rows,1)
#endif
for (y=0; y < (ssize_t) image->rows; y++)
{
@@ -3305,7 +3305,7 @@
image_view=AcquireAuthenticCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(status) \
- dynamic_num_threads_dos(image->columns,image->rows)
+ dynamic_number_threads(image->columns,image->rows,1)
#endif
for (y=0; y < (ssize_t) image->rows; y++)
{
@@ -3383,7 +3383,7 @@
image_view=AcquireAuthenticCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(status) \
- dynamic_num_threads_dos(image->columns,image->rows)
+ dynamic_number_threads(image->columns,image->rows,1)
#endif
for (y=0; y < (ssize_t) image->rows; y++)
{