--- Clp/src/Clp_C_Interface.h
+++ Clp/src/Clp_C_Interface.h
@@ -12,9 +12,9 @@
 #include "Coin_C_defines.h"
 
 #if defined (CLP_EXTERN_C)
-typedef struct {
+struct Clp_Solve {
   ClpSolve options;
-} Clp_Solve;
+};
 #else
 typedef void Clp_Solve;
 #endif