diff --git a/contrib/90.array/nitro.mk b/contrib/90.array/nitro.mk
index b0b06c0d..dc914f06 100644
--- a/contrib/90.array/nitro.mk
+++ b/contrib/90.array/nitro.mk
@@ -3,4 +3,4 @@ CONTRIB_LIBS += $(wildcard contrib/90.array/*.scm)
 CONTRIB_TESTS += test-array
 
 test-array: bin/picrin
-	picrin contrib/90.array/t/array.scm
+	bin/picrin contrib/90.array/t/array.scm