diff --git a/wsutil/adler32.c b/wsutil/adler32.c
index 542876dc6f..22dfcb2a4b 100644
--- a/wsutil/adler32.c
+++ b/wsutil/adler32.c
@@ -28,7 +28,7 @@
 
 #include <glib.h>
 
-#include <epan/adler32.h>
+#include <wsutil/adler32.h>
 
 #define BASE 65521 /* largest prime smaller than 65536 */