diff --git a/src/detection/terminalfont/terminalfont_apple.c b/src/detection/terminalfont/terminalfont_apple.c
index 6d747c949..cf63d3ac1 100644
--- a/src/detection/terminalfont/terminalfont_apple.c
+++ b/src/detection/terminalfont/terminalfont_apple.c
@@ -83,7 +83,7 @@ static void detectIterm2(const FFinstance* instance, FFTerminalFontResult* termi
 
     FFstrbuf content;
     ffStrbufInit(&content);
-    fAppendFileBuffer(fileName.chars, &content);
+    ffAppendFileBuffer(fileName.chars, &content);
     ffStrbufDestroy(&fileName);
     if(content.length == 0)
     {