diff --git a/core/src/main/java/org/bitcoinj/script/Script.java b/core/src/main/java/org/bitcoinj/script/Script.java
index 55c61d39e..4ce737296 100644
--- a/core/src/main/java/org/bitcoinj/script/Script.java
+++ b/core/src/main/java/org/bitcoinj/script/Script.java
@@ -219,7 +219,7 @@ public class Script {
                 chunk = new ScriptChunk(opcode, null);
             } else {
                 if (dataToRead > bis.available())
-                    throw new ScriptException(ScriptError.SCRIPT_ERR_BAD_OPCODE, "Push of data element that is larger than remaining data");
+                    throw new ScriptException(ScriptError.SCRIPT_ERR_BAD_OPCODE, "Push of data element that is larger than remaining data: " + dataToRead + " vs " + bis.available());
                 byte[] data = new byte[(int)dataToRead];
                 checkState(dataToRead == 0 || bis.read(data, 0, (int)dataToRead) == dataToRead);
                 chunk = new ScriptChunk(opcode, data);