diff --git a/src/gallium/drivers/d3d12/d3d12_screen.cpp b/src/gallium/drivers/d3d12/d3d12_screen.cpp
index 04752431cf5..06fbb8ebe16 100644
--- a/src/gallium/drivers/d3d12/d3d12_screen.cpp
+++ b/src/gallium/drivers/d3d12/d3d12_screen.cpp
@@ -1382,6 +1382,7 @@ try_find_d3d12core_next_to_self(char *path, size_t path_arr_size)
       return nullptr;
    }
 
+   *(last_slash + 1) = '\0';
    return path;
 }
 #endif