diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index b7664cb68554..644769e92708 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -407,9 +407,9 @@ double expr__get_literal(const char *literal, const struct expr_scanner_ctx *ctx
 					 &count))
 			result = count;
 		else
-			pr_err("Failure to read '%s'", literal);
+			pr_err("Failure to read '%s'\n", literal);
 	} else {
-		pr_err("Unrecognized literal '%s'", literal);
+		pr_err("Unrecognized literal '%s'\n", literal);
 	}
 
 	pr_debug2("literal: %s = %f\n", literal, result);