diff --git a/src/ipasir.h b/src/ipasir.h
index 18e5213cd..30cd490cb 100644
--- a/src/ipasir.h
+++ b/src/ipasir.h
@@ -28,6 +28,12 @@ IN THE SOFTWARE.
 #ifndef ipasir_h_INCLUDED
 #define ipasir_h_INCLUDED
 
+/*------------------------------------------------------------------------*/
+#ifdef __cplusplus
+extern "C" {
+#endif
+/*------------------------------------------------------------------------*/
+
 /**
  * Return the name and the version of the incremental SAT
  * solving library.
@@ -149,4 +155,10 @@ void ipasir_set_terminate (void * solver, void * state, int (*terminate)(void *
  */
 void ipasir_set_learn (void * solver, void * state, int max_length, void (*learn)(void * state, int * clause));
 
+/*------------------------------------------------------------------------*/
+#ifdef __cplusplus
+}
+#endif
+/*------------------------------------------------------------------------*/
+
 #endif