--- g2clib-1.6.2.p1234/enc_jpeg2000.c	2021-01-07 09:24:13.152449617 +0100
+++ g2clib-1.6.2.p12345/enc_jpeg2000.c	2021-01-07 09:33:27.386963771 +0100
@@ -123,7 +123,9 @@ int enc_jpeg2000(unsigned char *cin,g2in
     image.clrspc_=JAS_CLRSPC_SGRAY;         /* grayscale Image */
     image.cmprof_=0; 
 #endif
-//    image.inmem_=1;
+#if JAS_VERSION_MAJOR == 1
+    image.inmem_=1;
+#endif
 
     cmpt.tlx_=0;
     cmpt.tly_=0;