diff --git a/package/opencv3/opencv3.mk b/package/opencv3/opencv3.mk
index 70b0a4039f..f36966ebac 100644
--- a/package/opencv3/opencv3.mk
+++ b/package/opencv3/opencv3.mk
@@ -53,7 +53,7 @@ OPENCV3_CONF_OPTS += \
 	-DENABLE_OMIT_FRAME_POINTER=ON \
 	-DENABLE_PRECOMPILED_HEADERS=OFF \
 	-DENABLE_PROFILING=OFF \
-	-DOPENCV3_WARNINGS_ARE_ERRORS=OFF
+	-DOPENCV_WARNINGS_ARE_ERRORS=OFF
 
 # OpenCV link options
 OPENCV3_CONF_OPTS += \