diff --git a/source/arm11/acf.c b/source/arm11/acf.c
index 6c5d173..0be4c1d 100644
--- a/source/arm11/acf.c
+++ b/source/arm11/acf.c
@@ -357,7 +357,8 @@ acf_canvas_t acf_get_canvas(acf_rectedge_t width, acf_text_t text, acf_rectedge_
     int rendered_count = 0;
     const char *utf8_line = text;
 
-    acf_rectedge_t *canvas = calloc( ACFONT_CANVAS_MEMSIZE(width, gblfont.height) );
+    acf_rectedge_t *canvas = malloc( ACFONT_CANVAS_MEMSIZE(width, gblfont.height) );
+    memset( canvas, 0, ACFONT_CANVAS_MEMSIZE(width, gblfont.height) );
 
     for (const char *next = next_unicode(utf8_line, &unicode);
          next != NULL;