diff --git a/tests/meson.build b/tests/meson.build
index 99125dc..db54452 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -79,7 +79,8 @@ if get_option('tests').allowed()
         'G_TEST_SRCDIR=@0@'.format(meson.current_source_dir()),
         'G_TEST_BUILDDIR=@0@'.format(meson.current_build_dir()),
         'NO_AT_BRIDGE=1',
-        'MESA_LOG=null'
+        'MESA_LOG=null',
+        'LIBGL_DEBUG=quiet'
       ]
     )
 
@@ -97,7 +98,9 @@ if get_option('tests').allowed()
         'G_TEST_SRCDIR=@0@'.format(meson.current_source_dir()),
         'G_TEST_BUILDDIR=@0@'.format(meson.current_build_dir()),
         'NO_AT_BRIDGE=1',
-        'MESA_LOG=null'
+        'MESA_LOG=null,
+        'LIBGL_DEBUG=quiet'
+'
       ]
     )
 
@@ -115,7 +118,9 @@ if get_option('tests').allowed()
         'G_TEST_SRCDIR=@0@'.format(meson.current_source_dir()),
         'G_TEST_BUILDDIR=@0@'.format(meson.current_build_dir()),
         'NO_AT_BRIDGE=1',
-        'MESA_LOG=null'
+        'MESA_LOG=null,
+        'LIBGL_DEBUG=quiet'
+'
       ]
     )
   endif