diff --git a/package/opencv3/opencv3.mk b/package/opencv3/opencv3.mk
index 2529de9f4b..10660a90fb 100644
--- a/package/opencv3/opencv3.mk
+++ b/package/opencv3/opencv3.mk
@@ -12,7 +12,7 @@ OPENCV3_LICENSE_FILES = LICENSE
 
 # Uses __atomic_fetch_add_4
 ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
-OPENCV3_CONF_OPTS += -DCMAKE_CXX_FLAGS="-latomic"
+OPENCV3_CONF_OPTS += -DCMAKE_CXX_FLAGS="$(TARGET_CXXFLAGS) -latomic"
 endif
 
 # OpenCV component options