diff --git a/patches/libxml2-2.7.8-pthread.patch b/patches/libxml2-2.7.8-pthread.patch
new file mode 100644
index 0000000..8b7b238
--- /dev/null
+++ b/patches/libxml2-2.7.8-pthread.patch
@@ -0,0 +1,12 @@
+diff --git a/testThreads.c b/testThreads.c
+index b43cbd0..5c12894 100644
+--- a/testThreads.c
++++ b/testThreads.c
+@@ -107,7 +107,6 @@ main(void)
+ 
+ 	for (i = 0; i < num_threads; i++) {
+ 	    results[i] = NULL;
+-	    tid[i] = (pthread_t) -1;
+ 	}
+ 
+ 	for (i = 0; i < num_threads; i++) {
diff --git a/scripts/012-libxml2-2.7.8.sh b/scripts/012-libxml2-2.7.8.sh
index c59dbb7..ed11902 100755
--- a/scripts/012-libxml2-2.7.8.sh
+++ b/scripts/012-libxml2-2.7.8.sh
@@ -19,6 +19,10 @@ echo "Unpacking ${LIBXML2}"
 extract ../archives/${LIBXML2}.tar.gz
 cd ${LIBXML2}
 
+## Patch pthread_t issue for modern toolchains
+echo "Patching testThreads.c..."
+patch -p1 < ../../patches/${LIBXML2}-pthread.patch
+
 ## Replace config.guess and config.sub
 cp ../../archives/config.guess ../../archives/config.sub .