diff --git a/contrib/oss-fuzz/build.sh b/contrib/oss-fuzz/build.sh
index c3ac121f..ccac210c 100755
--- a/contrib/oss-fuzz/build.sh
+++ b/contrib/oss-fuzz/build.sh
@@ -35,13 +35,21 @@ make -j$(nproc)
 make install
 popd
 
+# Build libjbig
+pushd "$SRC/jbigkit"
+make lib
+mv "$SRC"/jbigkit/libjbig/*.a "$WORK/lib/"
+mv "$SRC"/jbigkit/libjbig/*.h "$WORK/include/"
+popd
+
 cmake . -DCMAKE_INSTALL_PREFIX=$WORK -DBUILD_SHARED_LIBS=off
 make -j$(nproc)
 make install
 
 $CXX $CXXFLAGS -std=c++11 -I$WORK/include \
     $SRC/libtiff/contrib/oss-fuzz/tiff_read_rgba_fuzzer.cc -o $OUT/tiff_read_rgba_fuzzer \
-    -lFuzzingEngine $WORK/lib/libtiffxx.a $WORK/lib/libtiff.a $WORK/lib/libz.a $WORK/lib/libjpeg.a
+    -lFuzzingEngine $WORK/lib/libtiffxx.a $WORK/lib/libtiff.a $WORK/lib/libz.a $WORK/lib/libjpeg.a \
+    $WORK/lib/libjbig.a $WORK/lib/libjbig85.a
 
 mkdir afl_testcases
 (cd afl_testcases; tar xf "$SRC/afl_testcases.tgz")