diff --git a/src/plugins/plugin-api.c b/src/plugins/plugin-api.c
index 215462426..8f5e6c60d 100644
--- a/src/plugins/plugin-api.c
+++ b/src/plugins/plugin-api.c
@@ -88,6 +88,10 @@ plugin_api_gettext (const char *string)
 const char *
 plugin_api_ngettext (const char *single, const char *plural, int count)
 {
+    /* make C compiler happy */
+    (void) single;
+    (void) count;
+    
     return NG_(single, plural, count);
 }