diff --git a/src/syntax/synt-parse.h b/src/syntax/synt-parse.h
index a6aabc1..d26bbfe 100644
--- a/src/syntax/synt-parse.h
+++ b/src/syntax/synt-parse.h
@@ -21,7 +21,7 @@
 #include <iostream>
 #include <string>
 
-class parseState;
+struct parseState;
 class sentry
 {
     private: