diff --git a/src/main/java/vazkii/botania/api/package-info.java b/src/main/java/vazkii/botania/api/package-info.java
index 6b196fe7d..fca568a6e 100644
--- a/src/main/java/vazkii/botania/api/package-info.java
+++ b/src/main/java/vazkii/botania/api/package-info.java
@@ -1,4 +1,4 @@
-@API(owner = "Botania", apiVersion = "51", provides = "BotaniaAPI")
+@API(owner = "Botania", apiVersion = "50", provides = "BotaniaAPI")
 package vazkii.botania.api;
 import cpw.mods.fml.common.API;
 
diff --git a/src/main/java/vazkii/botania/api/subtile/SubTileFunctional.java b/src/main/java/vazkii/botania/api/subtile/SubTileFunctional.java
index 69c3fbdaf..52f716769 100644
--- a/src/main/java/vazkii/botania/api/subtile/SubTileFunctional.java
+++ b/src/main/java/vazkii/botania/api/subtile/SubTileFunctional.java
@@ -91,13 +91,17 @@ public class SubTileFunctional extends SubTileEntity {
 		if(linkedPool == null) {
 			needsNew = true;
 
-			if(cachedPoolCoordinates != null && supertile.getWorldObj().blockExists(cachedPoolCoordinates.posX, cachedPoolCoordinates.posY, cachedPoolCoordinates.posZ)) {
-				TileEntity tileAt = supertile.getWorldObj().getTileEntity(cachedPoolCoordinates.posX, cachedPoolCoordinates.posY, cachedPoolCoordinates.posZ);
-				if(tileAt != null && tileAt instanceof IManaPool) {
-					linkedPool = tileAt;
-					needsNew = false;
+			if(cachedPoolCoordinates != null) {
+				needsNew = false;
+				if(supertile.getWorldObj().blockExists(cachedPoolCoordinates.posX, cachedPoolCoordinates.posY, cachedPoolCoordinates.posZ)) {
+					needsNew = true;
+					TileEntity tileAt = supertile.getWorldObj().getTileEntity(cachedPoolCoordinates.posX, cachedPoolCoordinates.posY, cachedPoolCoordinates.posZ);
+					if(tileAt != null && tileAt instanceof IManaPool) {
+						linkedPool = tileAt;
+						needsNew = false;
+					}
+					cachedPoolCoordinates = null;
 				}
-				cachedPoolCoordinates = null;
 			}
 		}
 
diff --git a/src/main/java/vazkii/botania/api/subtile/SubTileGenerating.java b/src/main/java/vazkii/botania/api/subtile/SubTileGenerating.java
index 10135b95e..084d0377a 100644
--- a/src/main/java/vazkii/botania/api/subtile/SubTileGenerating.java
+++ b/src/main/java/vazkii/botania/api/subtile/SubTileGenerating.java
@@ -84,13 +84,17 @@ public class SubTileGenerating extends SubTileEntity {
 		if(linkedCollector == null) {
 			needsNew = true;
 
-			if(cachedCollectorCoordinates != null && supertile.getWorldObj().blockExists(cachedCollectorCoordinates.posX, cachedCollectorCoordinates.posY, cachedCollectorCoordinates.posZ)) {
-				TileEntity tileAt = supertile.getWorldObj().getTileEntity(cachedCollectorCoordinates.posX, cachedCollectorCoordinates.posY, cachedCollectorCoordinates.posZ);
-				if(tileAt != null && tileAt instanceof IManaCollector) {
-					linkedCollector = tileAt;
-					needsNew = false;
+			if(cachedCollectorCoordinates != null) {
+				needsNew = false;
+				if(supertile.getWorldObj().blockExists(cachedCollectorCoordinates.posX, cachedCollectorCoordinates.posY, cachedCollectorCoordinates.posZ)) {
+					needsNew = true;
+					TileEntity tileAt = supertile.getWorldObj().getTileEntity(cachedCollectorCoordinates.posX, cachedCollectorCoordinates.posY, cachedCollectorCoordinates.posZ);
+					if(tileAt != null && tileAt instanceof IManaCollector) {
+						linkedCollector = tileAt;
+						needsNew = false;
+					}
+					cachedCollectorCoordinates = null;
 				}
-				cachedCollectorCoordinates = null;
 			}
 		}