diff --git a/src/main/java/com/gmail/nossr50/skills/Mining.java b/src/main/java/com/gmail/nossr50/skills/Mining.java
index cf659bb5c..05fd159ac 100644
--- a/src/main/java/com/gmail/nossr50/skills/Mining.java
+++ b/src/main/java/com/gmail/nossr50/skills/Mining.java
@@ -248,7 +248,7 @@ public class Mining
         case NETHERRACK:
         case SANDSTONE:
         case STONE:
-            if (!block.hasMetadata("mcmmoPlacedBlock")) {
+            if (block.hasMetadata("mcmmoPlacedBlock")) {
                 return;
             }
 
diff --git a/src/main/java/com/gmail/nossr50/skills/WoodCutting.java b/src/main/java/com/gmail/nossr50/skills/WoodCutting.java
index b3bbae815..ed2f4b2f2 100644
--- a/src/main/java/com/gmail/nossr50/skills/WoodCutting.java
+++ b/src/main/java/com/gmail/nossr50/skills/WoodCutting.java
@@ -266,7 +266,7 @@ public class WoodCutting {
         int xp = 0;
         TreeSpecies species = TreeSpecies.getByData(block.getData());
 
-        if (block.hasMetadata("placedBlock")) {
+        if (block.hasMetadata("mcmmpPlacedBlock")) {
             return;
         }