diff --git a/srcpkgs/webkit2gtk/template b/srcpkgs/webkit2gtk/template
index fdf56d21bb1..0aa95bd6499 100644
--- a/srcpkgs/webkit2gtk/template
+++ b/srcpkgs/webkit2gtk/template
@@ -15,6 +15,8 @@ checksum=fc23650df953123c59b9c0edf3855e7bd55bd107820997fc72375811e1ea4b21
 # ETOOHUGE
 nodebug=1
 
+CXXFLAGS="-D_GLIBCXX_USE_C99_STDIO=1 -D_GLIBCXX_USE_C99_STDLIB=1 -Wno-expansion-to-defined"
+
 hostmakedepends="perl python pkg-config intltool gperf flex ruby glib-devel geoclue2"
 makedepends="
  at-spi2-core-devel libjpeg-turbo-devel libpng-devel sqlite-devel
@@ -24,7 +26,7 @@ makedepends="
  geoclue2-devel libnotify-devel hyphen-devel"
 
 case "$XBPS_TARGET_MACHINE" in
-armv6*) configure_args+=" -DENABLE_JIT=0" CXXFLAGS="-D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8=1";;
+armv6*) configure_args+=" -DENABLE_JIT=0" CXXFLAGS+=" -D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8=1";;
 aarch64*) configure_args+=" -DUSE_LD_GOLD=0";;
 esac