diff --git a/Materials/default/materials.xml b/Materials/default/materials.xml
index c9e0aed15..395e2d711 100644
--- a/Materials/default/materials.xml
+++ b/Materials/default/materials.xml
@@ -959,7 +959,7 @@
     <value>summer</value>
    </equals>
   </condition>
-  <effect>Effects/water</effect>
+  <effect>Effects/water-inland</effect>
   <name>Lake</name>
   <name>Pond</name>
   <name>Reservoir</name>
diff --git a/Materials/regions/materials.xml b/Materials/regions/materials.xml
index 8cdfc98de..d5468acfe 100644
--- a/Materials/regions/materials.xml
+++ b/Materials/regions/materials.xml
@@ -1794,7 +1794,7 @@
     <value>summer</value>
    </equals>
   </condition>
-  <effect>Effects/water</effect>
+  <effect>Effects/water-inland</effect>
   <name>Lake</name>
   <name>Pond</name>
   <name>Reservoir</name>