diff --git a/coders/dps.c b/coders/dps.c
index 22dfcff..94c866e 100644
--- a/coders/dps.c
+++ b/coders/dps.c
@@ -374,7 +374,7 @@
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
- if (q == (const Quantum *) NULL)
+ if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
@@ -396,7 +396,7 @@
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
- if (q == (const Quantum *) NULL)
+ if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
@@ -447,7 +447,7 @@
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
- if (q == (const Quantum *) NULL)
+ if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
@@ -494,7 +494,7 @@
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
- if (q == (const Quantum *) NULL)
+ if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{