diff --git a/tests/qemuhotplugtest.c b/tests/qemuhotplugtest.c
index a914a8a8b5..7d70113b6e 100644
--- a/tests/qemuhotplugtest.c
+++ b/tests/qemuhotplugtest.c
@@ -878,5 +878,6 @@ mymain(void)
 
 VIR_TEST_MAIN_PRELOAD(mymain,
                       VIR_TEST_MOCK("virpci"),
+                      VIR_TEST_MOCK("domaincaps"),
                       VIR_TEST_MOCK("virprocess"),
                       VIR_TEST_MOCK("qemuhotplug"));
diff --git a/tests/qemumemlocktest.c b/tests/qemumemlocktest.c
index 52cd9f9f26..ef3bfa0345 100644
--- a/tests/qemumemlocktest.c
+++ b/tests/qemumemlocktest.c
@@ -151,7 +151,9 @@ mymain(void)
     return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
 }
 
-VIR_TEST_MAIN_PRELOAD(mymain, VIR_TEST_MOCK("virpci"))
+VIR_TEST_MAIN_PRELOAD(mymain,
+                      VIR_TEST_MOCK("virpci"),
+                      VIR_TEST_MOCK("domaincaps"))
 
 #else
 
diff --git a/tests/qemusecuritytest.c b/tests/qemusecuritytest.c
index 685ac4dca2..8c0a48bb65 100644
--- a/tests/qemusecuritytest.c
+++ b/tests/qemusecuritytest.c
@@ -217,4 +217,5 @@ mymain(void)
     return ret;
 }
 
-VIR_TEST_MAIN(mymain)
+VIR_TEST_MAIN_PRELOAD(mymain,
+                      VIR_TEST_MOCK("domaincaps"))
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 9bb186ed95..3d42cabdb8 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -3033,6 +3033,7 @@ mymain(void)
 
 VIR_TEST_MAIN_PRELOAD(mymain,
                       VIR_TEST_MOCK("qemuxml2argv"),
+                      VIR_TEST_MOCK("domaincaps"),
                       VIR_TEST_MOCK("virrandom"),
                       VIR_TEST_MOCK("qemucpu"),
                       VIR_TEST_MOCK("virpci"))
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 757e0a33e1..1dfa834f6b 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -1355,6 +1355,7 @@ mymain(void)
 VIR_TEST_MAIN_PRELOAD(mymain,
                       VIR_TEST_MOCK("virpci"),
                       VIR_TEST_MOCK("virrandom"),
+                      VIR_TEST_MOCK("domaincaps"),
                       VIR_TEST_MOCK("virdeterministichash"))
 
 #else
diff --git a/tests/securityselinuxlabeltest.c b/tests/securityselinuxlabeltest.c
index 741c39d4d1..cbc7018e27 100644
--- a/tests/securityselinuxlabeltest.c
+++ b/tests/securityselinuxlabeltest.c
@@ -371,4 +371,6 @@ mymain(void)
     return (ret == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
 }
 
-VIR_TEST_MAIN_PRELOAD(mymain, abs_builddir "/.libs/libsecurityselinuxhelper.so")
+VIR_TEST_MAIN_PRELOAD(mymain,
+                      VIR_TEST_MOCK("domaincaps"),
+                      abs_builddir "/.libs/libsecurityselinuxhelper.so")