diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c
index 8bd719766814..6512f5e22045 100644
--- a/tools/perf/tests/expr.c
+++ b/tools/perf/tests/expr.c
@@ -95,6 +95,10 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u
 	ret |= test(ctx, "min(1,2) + 1", 2);
 	ret |= test(ctx, "max(1,2) + 1", 3);
 	ret |= test(ctx, "1+1 if 3*4 else 0", 2);
+	ret |= test(ctx, "100 if 1 else 200 if 1 else 300", 100);
+	ret |= test(ctx, "100 if 0 else 200 if 1 else 300", 200);
+	ret |= test(ctx, "100 if 1 else 200 if 0 else 300", 100);
+	ret |= test(ctx, "100 if 0 else 200 if 0 else 300", 300);
 	ret |= test(ctx, "1.1 + 2.1", 3.2);
 	ret |= test(ctx, ".1 + 2.", 2.1);
 	ret |= test(ctx, "d_ratio(1, 2)", 0.5);
diff --git a/tools/perf/util/expr.y b/tools/perf/util/expr.y
index a30b825adb7b..635e562350c5 100644
--- a/tools/perf/util/expr.y
+++ b/tools/perf/util/expr.y
@@ -156,7 +156,7 @@ start: if_expr
 }
 ;
 
-if_expr: expr IF expr ELSE expr
+if_expr: expr IF expr ELSE if_expr
 {
 	if (fpclassify($3.val) == FP_ZERO) {
 		/*