diff --git a/src/main/java/com/falsepattern/lib/internal/config/ToastConfig.java b/src/main/java/com/falsepattern/lib/internal/config/ToastConfig.java
index a32e8ac..3dd548e 100644
--- a/src/main/java/com/falsepattern/lib/internal/config/ToastConfig.java
+++ b/src/main/java/com/falsepattern/lib/internal/config/ToastConfig.java
@@ -23,6 +23,10 @@ package com.falsepattern.lib.internal.config;
 import com.falsepattern.lib.config.Config;
 import com.falsepattern.lib.internal.Tags;
 
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
+@SideOnly(Side.CLIENT)
 @Config(modid = Tags.MODID,
         category = "toasts")
 public class ToastConfig {
diff --git a/src/main/java/com/falsepattern/lib/toasts/icon/ToastBG.java b/src/main/java/com/falsepattern/lib/toasts/icon/ToastBG.java
index b7ffbce..f6cb7ae 100644
--- a/src/main/java/com/falsepattern/lib/toasts/icon/ToastBG.java
+++ b/src/main/java/com/falsepattern/lib/toasts/icon/ToastBG.java
@@ -29,7 +29,10 @@ import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.Gui;
 import net.minecraft.util.IIcon;
 import net.minecraft.util.ResourceLocation;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 
+@SideOnly(Side.CLIENT)
 @StableAPI(since = "0.10.0")
 public class ToastBG extends ToastTexture {
     @StableAPI(since = "0.10.0")
diff --git a/src/main/java/com/falsepattern/lib/toasts/icon/ToastIcon.java b/src/main/java/com/falsepattern/lib/toasts/icon/ToastIcon.java
index 5b78893..2a4dcff 100644
--- a/src/main/java/com/falsepattern/lib/toasts/icon/ToastIcon.java
+++ b/src/main/java/com/falsepattern/lib/toasts/icon/ToastIcon.java
@@ -28,7 +28,10 @@ import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.Gui;
 import net.minecraft.util.IIcon;
 import net.minecraft.util.ResourceLocation;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 
+@SideOnly(Side.CLIENT)
 @StableAPI(since = "0.10.0")
 public class ToastIcon extends ToastTexture {
     @StableAPI(since = "0.10.0")
diff --git a/src/main/java/com/falsepattern/lib/toasts/icon/ToastTexture.java b/src/main/java/com/falsepattern/lib/toasts/icon/ToastTexture.java
index c532ff1..1c0ce4d 100644
--- a/src/main/java/com/falsepattern/lib/toasts/icon/ToastTexture.java
+++ b/src/main/java/com/falsepattern/lib/toasts/icon/ToastTexture.java
@@ -28,7 +28,10 @@ import lombok.NonNull;
 import net.minecraft.client.gui.Gui;
 import net.minecraft.util.IIcon;
 import net.minecraft.util.ResourceLocation;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 
+@SideOnly(Side.CLIENT)
 @StableAPI(since = "0.10.0")
 public abstract class ToastTexture {
     @Getter(onMethod_={@StableAPI(since = "0.10.0")})