diff --git a/api/s2_junctions.py b/api/s2_junctions.py
index 28aadd0..2d3bc80 100644
--- a/api/s2_junctions.py
+++ b/api/s2_junctions.py
@@ -16,6 +16,9 @@ def get_junction(name: str, id: str) -> dict[str, Any]:
     if j == None:
         return {}
     xy = get_node_coord(name, id)
+    if xy == {}:
+        write(name, f"insert into coordinates (node, coord) values ('{id}', '(0,0)');")
+    xy = get_node_coord(name, id)
     d = {}
     d['id'] = str(j['id'])
     d['x'] = float(xy['x'])
diff --git a/api/s3_reservoirs.py b/api/s3_reservoirs.py
index d3a3d7f..6fee308 100644
--- a/api/s3_reservoirs.py
+++ b/api/s3_reservoirs.py
@@ -17,6 +17,9 @@ def get_reservoir(name: str, id: str) -> dict[str, Any]:
     if r == None:
         return {}
     xy = get_node_coord(name, id)
+    if xy == {}:
+        write(name, f"insert into coordinates (node, coord) values ('{id}', '(0,0)');")
+    xy = get_node_coord(name, id)
     d = {}
     d['id'] = str(r['id'])
     d['x'] = float(xy['x'])
diff --git a/api/s4_tanks.py b/api/s4_tanks.py
index 45341fe..af8ae5c 100644
--- a/api/s4_tanks.py
+++ b/api/s4_tanks.py
@@ -27,6 +27,9 @@ def get_tank(name: str, id: str) -> dict[str, Any]:
     if t == None:
         return {}
     xy = get_node_coord(name, id)
+    if xy == {}:
+        write(name, f"insert into coordinates (node, coord) values ('{id}', '(0,0)');")
+    xy = get_node_coord(name, id)
     d = {}
     d['id'] = str(t['id'])
     d['x'] = float(xy['x'])