diff --git a/common/ecdh.c b/common/ecdh.c
index a64b65106..f094b0a3a 100644
--- a/common/ecdh.c
+++ b/common/ecdh.c
@@ -111,7 +111,7 @@ void mserror(const char *str, int err) {
   }
 }
 
-int ecdh_load_module(const char *module) {
+int ecdh_load_module(const char *module, FILE *out) {
   UNUSED(module);
   return 0;
 }
@@ -1570,7 +1570,7 @@ static void trimright(unsigned char *buf, size_t len) {
     *p = 0;
 }
 
-int ecdh_load_module(const char *module) {
+int ecdh_load_module(const char *module, FILE *out) {
 
   if (module_handle) {
     p11->C_Finalize(0);
@@ -1582,14 +1582,14 @@ int ecdh_load_module(const char *module) {
   if (strcmp(module, "-")) {
     module_handle = dlopen(module, RTLD_NOW | RTLD_GLOBAL);
     if (module_handle == 0) {
-      puts("Can't open shared library");
+      fprintf(out, "Can't open shared library '%s'\n", module);
       return CKR_ARGUMENTS_BAD;
     }
 
     CK_C_GetFunctionList fn = 0;
     *(void **) (&fn) = dlsym(module_handle, "C_GetFunctionList");
     if (fn == 0) {
-      puts("Can't find symbol");
+      fprintf(out, "Can't find symbol 'C_GetFunctionList' in '%s'\n", module);
       dlclose(module_handle);
       module_handle = 0;
       return CKR_GENERAL_ERROR;
@@ -1597,7 +1597,7 @@ int ecdh_load_module(const char *module) {
 
     CK_RV rv = fn(&p11);
     if (rv != CKR_OK) {
-      puts("Can't get function list");
+      fprintf(out, "Can't get function list from '%s', rv=%lu\n", module, rv);
       dlclose(module_handle);
       module_handle = 0;
       p11 = &function_list;
@@ -1606,7 +1606,7 @@ int ecdh_load_module(const char *module) {
 
     rv = p11->C_Initialize(0);
     if (rv != CKR_OK) {
-      puts("Can't initialize module");
+      fprintf(out, "Can't initialize module '%s', rv = %lu\n", module, rv);
       dlclose(module_handle);
       module_handle = 0;
       p11 = &function_list;
diff --git a/common/ecdh.h b/common/ecdh.h
index c388c2013..f1cff25a9 100644
--- a/common/ecdh.h
+++ b/common/ecdh.h
@@ -41,7 +41,7 @@ int YH_INTERNAL ecdh_curve_p256(void);
 int YH_INTERNAL ecdh_curve_p384(void);
 int YH_INTERNAL ecdh_curve_p521(void);
 
-int YH_INTERNAL ecdh_load_module(const char *module);
+int YH_INTERNAL ecdh_load_module(const char *module, FILE *out);
 
 int YH_INTERNAL ecdh_list_providers(void *ctx,
                                     int (*callback)(void *ctx,
diff --git a/lib/yubihsm.c b/lib/yubihsm.c
index 720fe8a4a..a69b4e1fb 100644
--- a/lib/yubihsm.c
+++ b/lib/yubihsm.c
@@ -1301,9 +1301,9 @@ static int name_listing(void *ctx, const char *name) {
   return 0;
 }
 
-yh_rc yh_util_load_client_auth_module(const char *module) {
+yh_rc yh_util_load_client_auth_module(const char *module, FILE *out) {
 
-  ecdh_load_module(module);
+  ecdh_load_module(module, out);
 
   return YHR_SUCCESS;
 }
diff --git a/lib/yubihsm.h b/lib/yubihsm.h
index 0190a9302..f0d90b5dc 100644
--- a/lib/yubihsm.h
+++ b/lib/yubihsm.h
@@ -937,7 +937,7 @@ yh_rc yh_create_session(yh_connector *connector, uint16_t authkey_id,
                         const uint8_t *key_mac, size_t key_mac_len,
                         bool recreate_session, yh_session **session);
 
-yh_rc yh_util_load_client_auth_module(const char *module);
+yh_rc yh_util_load_client_auth_module(const char *module, FILE *out);
 
 yh_rc yh_util_list_client_auth_providers(FILE *out);
 
diff --git a/src/commands.c b/src/commands.c
index 4d67be53b..5c7aa7578 100644
--- a/src/commands.c
+++ b/src/commands.c
@@ -1527,7 +1527,7 @@ int yh_com_load_client_auth_module(yubihsm_context *ctx, Argument *argv,
   UNUSED(in_fmt);
   UNUSED(fmt);
 
-  yh_util_load_client_auth_module(argv[0].s);
+  yh_util_load_client_auth_module(argv[0].s, ctx->out);
   return 0;
 }