diff --git a/package/zlib-ng/zlib-ng.mk b/package/zlib-ng/zlib-ng.mk
index 3b27574a79..1cb00d075b 100644
--- a/package/zlib-ng/zlib-ng.mk
+++ b/package/zlib-ng/zlib-ng.mk
@@ -12,7 +12,11 @@ ZLIB_NG_INSTALL_STAGING = YES
 ZLIB_NG_PROVIDES = zlib
 
 # Build with zlib compatible API, gzFile support and optimizations on
-ZLIB_NG_CONF_OPTS += -DZLIB_COMPAT=1 -DWITH_GZFILEOP=1 -DWITH_OPTIM=1
+ZLIB_NG_CONF_OPTS += \
+	-DWITH_GZFILEOP=1 \
+	-DWITH_OPTIM=1 \
+	-DZLIB_COMPAT=1 \
+	-DZLIB_ENABLE_TESTS=OFF
 
 # Enable NEON and ACLE on ARM
 ifeq ($(BR2_arm),y)