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-rw-r--r--configgen/src/main/java/com/yahoo/config/codegen/DefLine.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/configgen/src/main/java/com/yahoo/config/codegen/DefLine.java b/configgen/src/main/java/com/yahoo/config/codegen/DefLine.java
index eeca50201b7..753fad0d41a 100644
--- a/configgen/src/main/java/com/yahoo/config/codegen/DefLine.java
+++ b/configgen/src/main/java/com/yahoo/config/codegen/DefLine.java
@@ -251,7 +251,7 @@ public class DefLine {
} else if (whitespaceMatcher.matches()) {
break;
} else {
- throw new IllegalArgumentException(name + " contains unexpected character");
+ throw new IllegalArgumentException("'" + name + "' contains an unexpected character");
}
}
}