diff --git a/unittest/Makefile.am b/unittest/Makefile.am
index e65063f1..a5217d7f 100644
--- a/unittest/Makefile.am
+++ b/unittest/Makefile.am
@@ -98,6 +98,7 @@ ABSEIL_LIBS = libabseil.la
 GTEST_LIBS =  libgtest.la libgtest_main.la -lpthread
 GMOCK_LIBS =  libgmock.la libgmock_main.la
 TESS_LIBS = $(top_builddir)/src/api/libtesseract.la $(libarchive_LIBS)
+TESS_LIBS += $(TENSORFLOW_LIBS)
 TRAINING_LIBS = $(top_builddir)/src/training/libtesseract_training.la
 TRAINING_LIBS += $(top_builddir)/src/training/libtesseract_tessopt.la
 AM_CPPFLAGS +=   -isystem $(top_srcdir)/googletest/googletest/include \