diff --git a/src/libsysprof-analyze/tests/meson.build b/src/libsysprof-analyze/tests/meson.build
index e0b88332..8f73e931 100644
--- a/src/libsysprof-analyze/tests/meson.build
+++ b/src/libsysprof-analyze/tests/meson.build
@@ -5,7 +5,7 @@ libsysprof_analyze_test_env = [
 ]
 
 libsysprof_analyze_testsuite_c_args = [
-  '-DG_LOG_DOMAIN="libdex"',
+  '-DG_LOG_DOMAIN="libsysprof-analyze"',
   '-DG_ENABLE_DEBUG',
   '-UG_DISABLE_ASSERT',
   '-UG_DISABLE_CAST_CHECKS',
diff --git a/src/libsysprof-gtk/tests/meson.build b/src/libsysprof-gtk/tests/meson.build
index 106f9b0e..2656da1a 100644
--- a/src/libsysprof-gtk/tests/meson.build
+++ b/src/libsysprof-gtk/tests/meson.build
@@ -5,7 +5,7 @@ libsysprof_gtk_test_env = [
 ]
 
 libsysprof_gtk_testsuite_c_args = [
-  '-DG_LOG_DOMAIN="libdex"',
+  '-DG_LOG_DOMAIN="libsysprof-gtk"',
   '-DG_ENABLE_DEBUG',
   '-UG_DISABLE_ASSERT',
   '-UG_DISABLE_CAST_CHECKS',
diff --git a/src/libsysprof-profile/tests/meson.build b/src/libsysprof-profile/tests/meson.build
index f6b5d697..48b7343f 100644
--- a/src/libsysprof-profile/tests/meson.build
+++ b/src/libsysprof-profile/tests/meson.build
@@ -5,7 +5,7 @@ libsysprof_profile_test_env = [
 ]
 
 libsysprof_profile_testsuite_c_args = [
-  '-DG_LOG_DOMAIN="libdex"',
+  '-DG_LOG_DOMAIN="libsysprof-profile"',
   '-DG_ENABLE_DEBUG',
   '-UG_DISABLE_ASSERT',
   '-UG_DISABLE_CAST_CHECKS',