diff --git a/src/main/java/eu/m724/giants/Configuration.java b/src/main/java/eu/m724/giants/Configuration.java
index aeb9561..11b8d40 100644
--- a/src/main/java/eu/m724/giants/Configuration.java
+++ b/src/main/java/eu/m724/giants/Configuration.java
@@ -85,7 +85,7 @@ public class Configuration {
 
                 int min = (int) dropMap.get("quantityMin");
                 int max = (int) dropMap.get("quantityMax");
-                float chance = (float) dropMap.get("chance");
+                double chance = (double) dropMap.get("chance");
 
                 drops.add(new Drop(itemStack, min, max, chance));
             } catch (IllegalArgumentException e) {
diff --git a/src/main/java/eu/m724/giants/Drop.java b/src/main/java/eu/m724/giants/Drop.java
index b2e8cdc..a0920d7 100644
--- a/src/main/java/eu/m724/giants/Drop.java
+++ b/src/main/java/eu/m724/giants/Drop.java
@@ -7,7 +7,7 @@ import java.util.concurrent.ThreadLocalRandom;
 public class Drop {
     public final ItemStack itemStack;
     public final int min, max;
-    public final float chance;
+    public final double chance;
 
     public Drop(ItemStack itemStack, int min, int max, float chance) {
         this.itemStack = itemStack;
diff --git a/src/main/java/eu/m724/giants/GiantProcessor.java b/src/main/java/eu/m724/giants/GiantProcessor.java
index 40b5396..41645cd 100644
--- a/src/main/java/eu/m724/giants/GiantProcessor.java
+++ b/src/main/java/eu/m724/giants/GiantProcessor.java
@@ -138,7 +138,7 @@ public class GiantProcessor implements Listener {
             return;
 
         if (e.getEntityType() == EntityType.ZOMBIE) {
-            if (configuration.chance > random.nextFloat()) {
+            if (configuration.chance > random.nextDouble()) {
                 e.setCancelled(true);
                 spawnGiant(e.getLocation());