diff --git a/unittest/c-library/CMakeLists.txt b/unittest/c-library/CMakeLists.txt
index 966fac177f..59f1462e9b 100644
--- a/unittest/c-library/CMakeLists.txt
+++ b/unittest/c-library/CMakeLists.txt
@@ -25,7 +25,7 @@ set_tests_properties(LibraryScatterGather PROPERTIES ENVIRONMENT "LAMMPS_POTENTI
 
 set(TEST_CONFIG_DEFS "-DTEST_INPUT_FOLDER=${CMAKE_CURRENT_SOURCE_DIR};-DLAMMPS_${LAMMPS_SIZES}")
 set(PKG_COUNT 0)
-foreach(PKG ${STANDARD_PACKAGES} ${SUFFIX_PACKAGES})
+foreach(PKG ${STANDARD_PACKAGES} ${EXTRA_PACKAGES} ${SUFFIX_PACKAGES})
   if(PKG_${PKG})
     MATH(EXPR PKG_COUNT "${PKG_COUNT}+1")
   endif()