diff --git a/lib/host/gtk3/base_view.cpp b/lib/host/gtk3/base_view.cpp
index 54cef924..3ebc3e51 100644
--- a/lib/host/gtk3/base_view.cpp
+++ b/lib/host/gtk3/base_view.cpp
@@ -687,7 +687,7 @@ namespace cycfi::elements
 
    std::filesystem::path get_app_path()
    {
-      char result[PATH_MAX];
+      char result[PATH_MAX + 1];
       // get the full path to the executable file of the current process.
       if (auto count = readlink("/proc/self/exe", result, PATH_MAX); count != -1)
       {