diff --git a/src/mesa/main/shader_query.cpp b/src/mesa/main/shader_query.cpp
index 99d9e1088d0..e020dce288a 100644
--- a/src/mesa/main/shader_query.cpp
+++ b/src/mesa/main/shader_query.cpp
@@ -995,6 +995,7 @@ program_resource_top_level_array_stride(struct gl_shader_program *shProg,
       }
    }
 found_top_level_array_size:
+   free(interface_name);
    free(var_name);
    return array_stride;
 }