diff --git a/graylog-plugin-function-base64inflate/src/main/java/org/graylog/plugins/custom/Base64InflateFunction.java b/graylog-plugin-function-base64inflate/src/main/java/org/graylog/plugins/custom/Base64InflateFunction.java
index 68d6770..0ab398f 100644
--- a/graylog-plugin-function-base64inflate/src/main/java/org/graylog/plugins/custom/Base64InflateFunction.java
+++ b/graylog-plugin-function-base64inflate/src/main/java/org/graylog/plugins/custom/Base64InflateFunction.java
@@ -27,11 +27,13 @@ import org.graylog.plugins.pipelineprocessor.ast.functions.FunctionDescriptor;
 import org.graylog.plugins.pipelineprocessor.ast.functions.ParameterDescriptor;
 
 import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
 import java.io.InputStreamReader;
 import java.io.BufferedReader;
 import java.nio.charset.StandardCharsets;
 import java.util.Base64;
-import java.util.zip.GZIPInputStream;
+import java.util.zip.Inflater;
+import java.util.zip.InflaterInputStream;
 import java.net.URLDecoder;
 
 import org.slf4j.Logger;
@@ -68,22 +70,25 @@ public class Base64InflateFunction extends AbstractFunction<String> {
         final String input = inputParam.required(args, context);
         try {
             LOG.debug("Received input for Base64Inflate: {}", input);
-            String cleanInput = URLDecoder.decode(input, StandardCharsets.UTF_8.name());
-            byte[] decoded = Base64.getUrlDecoder().decode(cleanInput);
-            try (GZIPInputStream gis = new GZIPInputStream(new ByteArrayInputStream(decoded))) {
-                byte[] uncompressed = gis.readAllBytes();
-                String result = new String(uncompressed, StandardCharsets.UTF_8);
-                LOG.debug("Decompressed result: {}", result);
-                return result;
+            String urlDecoded = URLDecoder.decode(input, StandardCharsets.UTF_8.name());
+	    byte[] base64Decoded = Base64.getDecoder().decode(urlDecoded);
+
+            try (InflaterInputStream inflater = new InflaterInputStream(
+                    new ByteArrayInputStream(base64Decoded), new Inflater(true));
+                 ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
+
+                byte[] buffer = new byte[1024];
+                int len;
+                while ((len = inflater.read(buffer)) != -1) {
+                    outputStream.write(buffer, 0, len);
+                }
+
+                return outputStream.toString(StandardCharsets.UTF_8.name());
             }
         } catch (Exception e) {
             LOG.error("Base64Inflate failed: {}", e.getMessage(), e);
             return null;
         }
     }
-
-
-
-
 }
 
diff --git a/graylog-plugin-function-base64inflate/target/classes/org/graylog/plugins/custom/Base64InflateFunction.class b/graylog-plugin-function-base64inflate/target/classes/org/graylog/plugins/custom/Base64InflateFunction.class
index 96a87d0..ed867d4 100644
Binary files a/graylog-plugin-function-base64inflate/target/classes/org/graylog/plugins/custom/Base64InflateFunction.class and b/graylog-plugin-function-base64inflate/target/classes/org/graylog/plugins/custom/Base64InflateFunction.class differ
diff --git a/graylog-plugin-function-base64inflate/target/graylog-plugin-function-base64inflate-1.0.0-SNAPSHOT.jar b/graylog-plugin-function-base64inflate/target/graylog-plugin-function-base64inflate-1.0.0-SNAPSHOT.jar
index da57ff8..c2184dd 100644
Binary files a/graylog-plugin-function-base64inflate/target/graylog-plugin-function-base64inflate-1.0.0-SNAPSHOT.jar and b/graylog-plugin-function-base64inflate/target/graylog-plugin-function-base64inflate-1.0.0-SNAPSHOT.jar differ
diff --git a/graylog-plugin-function-base64inflate/target/original-graylog-plugin-function-base64inflate-1.0.0-SNAPSHOT.jar b/graylog-plugin-function-base64inflate/target/original-graylog-plugin-function-base64inflate-1.0.0-SNAPSHOT.jar
index 475f2a1..c91d421 100644
Binary files a/graylog-plugin-function-base64inflate/target/original-graylog-plugin-function-base64inflate-1.0.0-SNAPSHOT.jar and b/graylog-plugin-function-base64inflate/target/original-graylog-plugin-function-base64inflate-1.0.0-SNAPSHOT.jar differ