diff --git a/sql/160_to_161.sql b/sql/160_to_161.sql
index b64e189c4058ac81f059520b7f2cc92d5bd228ff..ac3579023be99956bd684af58406ab24ba2d47fe 100644
--- a/sql/160_to_161.sql
+++ b/sql/160_to_161.sql
@@ -50,7 +50,7 @@ CREATE TABLE tag_res
 (
   res_id bigint NOT NULL,
   tag_id bigint NOT NULL,
-  CONSTRAINT tags_entities_pkey PRIMARY KEY (res_id,tag_id)
+  CONSTRAINT tag_res_pkey PRIMARY KEY (res_id,tag_id)
 )
 WITH (
   OIDS=FALSE
diff --git a/sql/structure.sql b/sql/structure.sql
index 78dc1fdb6e4a4225e1f5d496c3c43d3d1168bc1d..2e3398510d19dabb07ebbda47e6635d1c706a8aa 100644
--- a/sql/structure.sql
+++ b/sql/structure.sql
@@ -1774,7 +1774,7 @@ CREATE TABLE tag_res
 (
   res_id bigint NOT NULL,
   tag_id bigint NOT NULL,
-  CONSTRAINT tags_entities_pkey PRIMARY KEY (res_id,tag_id)
+  CONSTRAINT tag_res_pkey PRIMARY KEY (res_id,tag_id)
 )
 WITH (
   OIDS=FALSE