diff --git a/http-api/src/main/java/net/runelite/http/api/account/LoginClient.java b/http-api/src/main/java/net/runelite/http/api/account/LoginClient.java
index 4e8209d3d9..54642159f3 100644
--- a/http-api/src/main/java/net/runelite/http/api/account/LoginClient.java
+++ b/http-api/src/main/java/net/runelite/http/api/account/LoginClient.java
@@ -24,6 +24,7 @@
  */
 package net.runelite.http.api.account;
 
+import com.google.gson.JsonParseException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -60,5 +61,9 @@ public class LoginClient
 			InputStream in = body.byteStream();
 			return RuneliteAPI.GSON.fromJson(new InputStreamReader(in), OAuthResponse.class);
 		}
+		catch (JsonParseException ex)
+		{
+			throw new IOException(ex);
+		}
 	}
 }
diff --git a/http-api/src/main/java/net/runelite/http/api/config/ConfigClient.java b/http-api/src/main/java/net/runelite/http/api/config/ConfigClient.java
index 7ff535aca9..0799bbce9a 100644
--- a/http-api/src/main/java/net/runelite/http/api/config/ConfigClient.java
+++ b/http-api/src/main/java/net/runelite/http/api/config/ConfigClient.java
@@ -24,6 +24,7 @@
  */
 package net.runelite.http.api.config;
 
+import com.google.gson.JsonParseException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -71,6 +72,10 @@ public class ConfigClient
 			InputStream in = body.byteStream();
 			return RuneliteAPI.GSON.fromJson(new InputStreamReader(in), Configuration.class);
 		}
+		catch (JsonParseException ex)
+		{
+			throw new IOException(ex);
+		}
 	}
 
 	public void set(String key, String value) throws IOException
diff --git a/http-api/src/main/java/net/runelite/http/api/hiscore/HiscoreClient.java b/http-api/src/main/java/net/runelite/http/api/hiscore/HiscoreClient.java
index 5ac42e4779..4662dd9942 100644
--- a/http-api/src/main/java/net/runelite/http/api/hiscore/HiscoreClient.java
+++ b/http-api/src/main/java/net/runelite/http/api/hiscore/HiscoreClient.java
@@ -24,6 +24,7 @@
  */
 package net.runelite.http.api.hiscore;
 
+import com.google.gson.JsonParseException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -60,5 +61,9 @@ public class HiscoreClient
 			InputStream in = body.byteStream();
 			return RuneliteAPI.GSON.fromJson(new InputStreamReader(in), HiscoreResult.class);
 		}
+		catch (JsonParseException ex)
+		{
+			throw new IOException(ex);
+		}
 	}
 }