diff --git a/package/libnss/libnss.mk b/package/libnss/libnss.mk
index 10879e219d..6fdb77cd14 100644
--- a/package/libnss/libnss.mk
+++ b/package/libnss/libnss.mk
@@ -30,6 +30,12 @@ LIBNSS_BUILD_VARS = \
 	OS_RELEASE="2.6" \
 	OS_TEST="$(ARCH)"
 
+# #pragma usage needs gcc >= 4.8
+# See https://bugzilla.mozilla.org/show_bug.cgi?id=1226179
+ifeq ($(BR2_TOOLCHAIN_GCC_AT_LEAST_4_8),)
+LIBNSS_BUILD_VARS += NSS_ENABLE_WERROR=0
+endif
+
 ifeq ($(BR2_ARCH_IS_64),y)
 # MIPS64 n32 is treated as a 32-bit architecture by libnss.
 # See: https://bugzilla.mozilla.org/show_bug.cgi?id=1010730