diff --git a/src/backends/meta-egl.c b/src/backends/meta-egl.c
index 8adc2407e..07e46812d 100644
--- a/src/backends/meta-egl.c
+++ b/src/backends/meta-egl.c
@@ -349,7 +349,7 @@ meta_egl_choose_all_configs (MetaEgl       *egl,
       return NULL;
     }
 
-  *out_num_configs = num_configs;
+  *out_num_configs = num_matches;
   return configs;
 }