diff --git a/library/include/df/custom/enabler.methods.inc b/library/include/df/custom/enabler.methods.inc
index 26a23a4dd..b06af2345 100644
--- a/library/include/df/custom/enabler.methods.inc
+++ b/library/include/df/custom/enabler.methods.inc
@@ -1,6 +1,6 @@
 void zoom_display(df::zoom_commands command) {
-    SDL_SemWait(async_zoom.sem);
+    DFHack::DFSDL::DFSDL_SemWait(async_zoom.sem);
     async_zoom.queue.push_back(command);
-    SDL_SemPost(async_zoom.sem);
-    SDL_SemPost(async_zoom.sem_fill);
+    DFHack::DFSDL::DFSDL_SemPost(async_zoom.sem);
+    DFHack::DFSDL::DFSDL_SemPost(async_zoom.sem_fill);
 }