diff --git a/src/nsimage.m b/src/nsimage.m
index 5d0871bc1a9..9eaeefebcd8 100644
--- a/src/nsimage.m
+++ b/src/nsimage.m
@@ -33,6 +33,7 @@ Updated by Christian Limpach (chris@nice.ch)
 #include "dispextern.h"
 #include "nsterm.h"
 #include "frame.h"
+#include "coding.h"
 
 /* call tracing */
 #if 0