diff --git a/extra/valgrind/PKGBUILD b/extra/valgrind/PKGBUILD
index cc58bad8d..931856bfe 100644
--- a/extra/valgrind/PKGBUILD
+++ b/extra/valgrind/PKGBUILD
@@ -58,8 +58,8 @@ prepare() {
 build() {
   # valgrind does not like some of our flags
   CPPFLAGS=${CPPFLAGS/-D_FORTIFY_SOURCE=2/}
-  CFLAGS=${CFLAGS/-fno-plt/}
-  CXXFLAGS=${CXXFLAGS/-fno-plt/}
+  CFLAGS=${CFLAGS/-fstack-protector-strong -fno-plt/}
+  CXXFLAGS=${CXXFLAGS/-fstack-protector-strong -fno-plt/}
 
   cd valgrind-${pkgver}
   ./configure \