diff --git a/src/lib/openjp3d/cio.c b/src/lib/openjp3d/cio.c
index 10bd2af3..7b2c5e4e 100644
--- a/src/lib/openjp3d/cio.c
+++ b/src/lib/openjp3d/cio.c
@@ -58,6 +58,7 @@ opj_cio_t* OPJ_CALLCONV opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer
 		cio->length = cp->tdx * cp->tdy * cp->tdz * cp->tw * cp->th * cp->tl * 4;
 		cio->buffer = (unsigned char *)opj_malloc(cio->length);
 		if(!cio->buffer) {
+			opj_event_msg(cio->cinfo, EVT_ERROR, "Error allocating memory for compressed bitstream\n");
 			opj_free(cio);
 			return NULL;
 		}
diff --git a/src/lib/openjp3d/t2.c b/src/lib/openjp3d/t2.c
index 7fd551e5..65d98c13 100644
--- a/src/lib/openjp3d/t2.c
+++ b/src/lib/openjp3d/t2.c
@@ -479,6 +479,7 @@ int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_tile_t *
 	if (tcp->csty & J3D_CP_CSTY_EPH) {
 		if ((*hd) != 0xff || (*(hd + 1) != 0x92)) {
 			opj_event_msg(t2->cinfo, EVT_ERROR, "Expected EPH marker\n");
+			return -999;
 		} else {
 			hd += 2;
 		}