diff --git a/server/core/test/testtrxcompare.cc b/server/core/test/testtrxcompare.cc
index ae85f91c5..b44a7f088 100644
--- a/server/core/test/testtrxcompare.cc
+++ b/server/core/test/testtrxcompare.cc
@@ -183,6 +183,8 @@ int main(int argc, char* argv[])
 
         if (mxs_log_init(NULL, ".", MXS_LOG_TARGET_DEFAULT))
         {
+            set_libdir(strdup("../../../query_classifier/qc_sqlite"));
+
             // We have to setup something in order for the regexes to be compiled.
             if (qc_setup("qc_sqlite", NULL) && qc_process_init(QC_INIT_BOTH))
             {
diff --git a/server/core/test/testtrxtracking.cc b/server/core/test/testtrxtracking.cc
index 9f0e67b7b..50f42d600 100644
--- a/server/core/test/testtrxtracking.cc
+++ b/server/core/test/testtrxtracking.cc
@@ -420,6 +420,8 @@ int main(int argc, char* argv[])
 
         if (mxs_log_init(NULL, ".", MXS_LOG_TARGET_DEFAULT))
         {
+            set_libdir(strdup("../../../query_classifier/qc_sqlite"));
+
             // We have to setup something in order for the regexes to be compiled.
             if (qc_setup("qc_sqlite", NULL) && qc_process_init(QC_INIT_BOTH))
             {