diff --git a/src/libsimaka/simaka_manager.c b/src/libsimaka/simaka_manager.c
index c314b793b..65de1c5ab 100644
--- a/src/libsimaka/simaka_manager.c
+++ b/src/libsimaka/simaka_manager.c
@@ -52,6 +52,14 @@ struct private_simaka_manager_t {
 	rwlock_t *lock;
 };
 
+/**
+ * Described in header.
+ */
+void libsimaka_init(void)
+{
+	/* empty */
+}
+
 METHOD(simaka_manager_t, add_card, void,
 	private_simaka_manager_t *this, simaka_card_t *card)
 {
diff --git a/src/libsimaka/simaka_manager.h b/src/libsimaka/simaka_manager.h
index da8b78b23..a0edd60b9 100644
--- a/src/libsimaka/simaka_manager.h
+++ b/src/libsimaka/simaka_manager.h
@@ -278,6 +278,11 @@ struct simaka_manager_t {
 	void (*destroy)(simaka_manager_t *this);
 };
 
+/**
+ * Dummy libsimaka initialization function needed for integrity test
+ */
+void libsimaka_init(void);
+
 /**
  * Create an SIM/AKA manager to handle multiple (U)SIM cards/providers.
  *