diff --git a/epan/dissectors/packet-h263.c b/epan/dissectors/packet-h263.c
index e5ae20c6dd..ec3aad4a2f 100644
--- a/epan/dissectors/packet-h263.c
+++ b/epan/dissectors/packet-h263.c
@@ -451,7 +451,7 @@ h263_proto_tree_add_bits(proto_tree *tree, int hf_index, tvbuff_t *tvb, gint bit
 		}
 
 	}else{
-		g_assert_not_reached();
+		DISSECTOR_ASSERT_NOT_REACHED();
 	}
 
 	/* prepare the string */
diff --git a/epan/dissectors/packet-ipdc.c b/epan/dissectors/packet-ipdc.c
index 23f99cda5a..24d2354aa5 100644
--- a/epan/dissectors/packet-ipdc.c
+++ b/epan/dissectors/packet-ipdc.c
@@ -205,7 +205,7 @@ dissect_ipdc_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
 		switch (type) {
 			/* simple IPDC_ASCII strings */
 			case IPDC_ASCII:
-				g_assert(len<=IPDC_STR_LEN);
+				DISSECTOR_ASSERT(len<=IPDC_STR_LEN);
 				tvb_memcpy(tvb, tmp_tag_text, offset+2, len);
 				tmp_tag_text[len] = 0;
 				proto_tree_add_text(tag_tree, tvb, offset,
diff --git a/epan/dissectors/packet-per.c b/epan/dissectors/packet-per.c
index 3df618c378..26eae546eb 100644
--- a/epan/dissectors/packet-per.c
+++ b/epan/dissectors/packet-per.c
@@ -941,10 +941,8 @@ DEBUG_ENTRY("dissect_per_constrained_integer");
 	timeval.secs=val; timeval.nsecs=0;
 	/* 10.5.4 If "range" has the value 1, then the result of the encoding shall be an empty bit-field (no bits).*/
 
-	if(range==0){
-		/* something is really wrong if range is 0 */
-		g_assert_not_reached();
-	}
+	/* something is really wrong if range is 0 */
+	DISSECTOR_ASSERT(range!=0);
 
 	if(range==1){
 		val_start = offset>>3; val_length = 0;
diff --git a/epan/dissectors/packet-radius.c b/epan/dissectors/packet-radius.c
index ec2a0f14f6..e3838b321d 100644
--- a/epan/dissectors/packet-radius.c
+++ b/epan/dissectors/packet-radius.c
@@ -1261,7 +1261,7 @@ extern void radius_register_avp_dissector(guint32 vendor_id, guint32 attribute_i
 	radius_attr_info_t* dictionary_entry;
 	GHashTable* by_id;
 
-	g_assert(radius_avp_dissector != NULL);
+	DISSECTOR_ASSERT(radius_avp_dissector != NULL);
 
 	if (vendor_id) {
 		vendor = g_hash_table_lookup(dict->vendors_by_id,GUINT_TO_POINTER(vendor_id));
diff --git a/epan/dissectors/packet-scsi.c b/epan/dissectors/packet-scsi.c
index 78486aa396..34cf836fec 100644
--- a/epan/dissectors/packet-scsi.c
+++ b/epan/dissectors/packet-scsi.c
@@ -4421,10 +4421,10 @@ dissect_scsi_cdb (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
     pinfo->current_proto="SCSI";
 
     if(!itlq){
-        g_assert_not_reached();
+        DISSECTOR_ASSERT_NOT_REACHED();
     }
     if(!itl){
-        g_assert_not_reached();
+        DISSECTOR_ASSERT_NOT_REACHED();
     }
 
     opcode = tvb_get_guint8 (tvb, offset);
@@ -4723,7 +4723,7 @@ get_cmdset_data(itlq_nexus_t *itlq, itl_nexus_t *itl)
 
     /* we must have an itlq structure */
     if(!itlq){
-        g_assert_not_reached();
+        DISSECTOR_ASSERT_NOT_REACHED();
     }
 
     if(itl){