diff --git a/package/opencv4-contrib/opencv4-contrib.mk b/package/opencv4-contrib/opencv4-contrib.mk
index 52d2682b26..f8c8cfd94c 100644
--- a/package/opencv4-contrib/opencv4-contrib.mk
+++ b/package/opencv4-contrib/opencv4-contrib.mk
@@ -6,7 +6,7 @@
 
 OPENCV4_CONTRIB_VERSION = 4.8.1
 OPENCV4_CONTRIB_SITE = $(call github,opencv,opencv_contrib,$(OPENCV4_CONTRIB_VERSION))
-OPENCV4_CONTRIB_INSTALL_TARGET = FALSE
+OPENCV4_CONTRIB_INSTALL_TARGET = NO
 OPENCV4_CONTRIB_LICENSE = Apache-2.0
 OPENCV4_CONTRIB_LICENSE_FILES = LICENSE