diff --git a/extra/ruby/PKGBUILD b/extra/ruby/PKGBUILD
index 45674442f..26b180959 100644
--- a/extra/ruby/PKGBUILD
+++ b/extra/ruby/PKGBUILD
@@ -10,6 +10,7 @@
 
 # ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
 #  - generalize arch-dependent removal of gem remains
+#  - add -Wno-incompatible-pointer-types to C(XX)FLAGS
 
 pkgname=(
   ruby
@@ -165,8 +166,8 @@ build() {
   cd "ruby-${pkgver}"
 
   # this uses malloc_usable_size, which is incompatible with fortification level 3
-  export CFLAGS="${CFLAGS/_FORTIFY_SOURCE=3/_FORTIFY_SOURCE=2}"
-  export CXXFLAGS="${CXXFLAGS/_FORTIFY_SOURCE=3/_FORTIFY_SOURCE=2}"
+  export CFLAGS="${CFLAGS/_FORTIFY_SOURCE=3/_FORTIFY_SOURCE=2} -Wno-incompatible-pointer-types"
+  export CXXFLAGS="${CXXFLAGS/_FORTIFY_SOURCE=3/_FORTIFY_SOURCE=2} -Wno-incompatible-pointer-types"
 
   ./configure \
     --prefix=/usr \