diff --git a/srcpkgs/p7zip/template b/srcpkgs/p7zip/template
index 642e24adaf5..e67b0345757 100644
--- a/srcpkgs/p7zip/template
+++ b/srcpkgs/p7zip/template
@@ -11,7 +11,7 @@ homepage="http://p7zip.sourceforge.net/"
 distfiles="${SOURCEFORGE_SITE}/${pkgname}/${pkgname}_${version}_src_all.tar.bz2"
 checksum=5eb20ac0e2944f6cb9c2d51dd6c4518941c185347d4089ea89087ffdd6e2341f
 
-CXXFLAGS="-Wno-narrowing"
+CXXFLAGS="-Wno-narrowing -std=c++11"
 
 do_configure() {
 	case "$XBPS_TARGET_MACHINE" in