diff --git a/src/space.c b/src/space.c
index 3ffdc70..c4dc118 100644
--- a/src/space.c
+++ b/src/space.c
@@ -942,7 +942,7 @@ void space_exit(void) {
       if(systems_stack[i].planets[j].gfx_space)
         gl_freeTexture(systems_stack[i].planets[j].gfx_space);
       if(systems_stack[i].planets[j].gfx_exterior)
-        gl_freeTexture(systems_stack[i].planets[j].gfx_exterior);
+        free(systems_stack[i].planets[j].gfx_exterior);
 
       /* Commodities. */
       free(systems_stack[i].planets[j].commodities);