diff --git a/drivers/unix/os_unix.cpp b/drivers/unix/os_unix.cpp
index 7e8292c6e9..ba0a012b9f 100644
--- a/drivers/unix/os_unix.cpp
+++ b/drivers/unix/os_unix.cpp
@@ -1058,7 +1058,7 @@ Error OS_Unix::open_dynamic_library(const String &p_path, void *&p_library_handl
 		path = get_executable_path().get_base_dir().path_join("../lib").path_join(p_path.get_file());
 	}
 
-	ERR_FAIL_COND_V(!FileAccess::exists(path), ERR_FILE_NOT_FOUND);
+	ERR_FAIL_COND_V_MSG(!FileAccess::exists(path), ERR_FILE_NOT_FOUND, vformat("Can't open dynamic library, file not found: '%s'.", p_path));
 
 	p_library_handle = dlopen(path.utf8().get_data(), GODOT_DLOPEN_MODE);
 	ERR_FAIL_NULL_V_MSG(p_library_handle, ERR_CANT_OPEN, vformat("Can't open dynamic library: %s. Error: %s.", p_path, dlerror()));