diff --git a/src/image.c b/src/image.c
--- a/src/image.c
+++ b/src/image.c
/*Header Definitions*/
#include "fits2jpeg.h"
+/*---------------------------------------------------------------------------*
+ * READ_FITS: To reads data from a fits image file.. (isn't that obvious?)
+ *---------------------------------------------------------------------------*/
void read_fits(char * fits_file_name, long * xdim, long * ydim, float ** data)
{
fitsfile *fptr;
scl_data = (datamax - datamin)/(float)JMAXVAL;
/* we will end up with segfaults if scl_data = 0 */
- if (scl_data = 0) scl_data = 1;
+ if (scl_data == 0) scl_data = 1;
for (i = 0; i < npixels; ++i)
data[i] = (data[i] - datamin)/scl_data;