diff --git a/src/x11_fullscreen.c b/src/x11_fullscreen.c
index e71c2a2b..f7855c4b 100644
--- a/src/x11_fullscreen.c
+++ b/src/x11_fullscreen.c
@@ -372,6 +372,8 @@ int _glfwPlatformGetVideoModes(GLFWvidmode* list, int maxcount)
         }
     }
 
+    XFree(vislist);
+
     rescount = 0;
     resarray = NULL;
 
@@ -457,8 +459,6 @@ int _glfwPlatformGetVideoModes(GLFWvidmode* list, int maxcount)
         }
     }
 
-    XFree(vislist);
-
     free(resarray);
     free(rgbarray);