diff --git a/include/cubescript/cubescript.hh b/include/cubescript/cubescript.hh
index 365d38ea..ce076c3d 100644
--- a/include/cubescript/cubescript.hh
+++ b/include/cubescript/cubescript.hh
@@ -301,12 +301,7 @@ private:
     int p_numargs;
 };
 
-struct CsIdentLink {
-    CsIdent *id;
-    CsIdentLink *next;
-    int usedargs;
-    CsIdentStack *argstack;
-};
+struct CsIdentLink;
 
 enum {
     CsLibMath   = 1 << 0,
diff --git a/src/cs_vm.hh b/src/cs_vm.hh
index 59979785..50e9750d 100644
--- a/src/cs_vm.hh
+++ b/src/cs_vm.hh
@@ -24,6 +24,13 @@ enum {
     CsIdLocal, CsIdDo, CsIdDoArgs, CsIdIf, CsIdResult, CsIdNot, CsIdAnd, CsIdOr
 };
 
+struct CsIdentLink {
+    CsIdent *id;
+    CsIdentLink *next;
+    int usedargs;
+    CsIdentStack *argstack;
+};
+
 enum {
     CsValNull = 0, CsValInt, CsValFloat, CsValString,
     CsValAny, CsValCode, CsValMacro, CsValIdent, CsValCstring,