diff --git a/init.c b/init.c
index fada0eeb9a95151ebb8099852faf4bd9dcf939a9..e0f8f03cf869ec166a7a09872337ee4cf2441ada 100755
--- a/init.c
+++ b/init.c
@@ -83,7 +83,7 @@ void op_filename() {
    	strcpy(buf, num_buf);
    	strcat(buf, outparam.fftfile);
    	strcpy(out.fftfile, buf);
-	
+#ifdef WRITE_DATA	
         strcpy(buf, num_buf);
         strcat(buf, outparam.fftfile_writedata1);
         strcpy(out.fftfile_writedata1, buf);
@@ -91,7 +91,7 @@ void op_filename() {
         strcpy(buf, num_buf);
         strcat(buf, outparam.fftfile_writedata2);
         strcpy(out.fftfile_writedata2, buf);
-	
+#endif
    	strcpy(buf, num_buf);
    	strcat(buf, outparam.fftfile2);
    	strcpy(out.fftfile2, buf);
@@ -212,6 +212,7 @@ void read_parameter_file(char *fname)
 		{
 		  strcpy(outparam.fftfile, buf2);
 		}
+#ifdef WRITE_DATA
 	      if(strcmp(buf1, "fftfile_writedata1") == 0)
                 {
                   strcpy(outparam.fftfile_writedata1, buf2);
@@ -220,6 +221,7 @@ void read_parameter_file(char *fname)
                 {
                   strcpy(outparam.fftfile_writedata2, buf2);
                 }
+#endif
 	      if(strcmp(buf1, "fftfile2") == 0)
 		{
 		  strcpy(outparam.fftfile2, buf2);