diff --git a/tests/shader_runner.c b/tests/shader_runner.c
index 0aca7830..2bdc6bd1 100644
--- a/tests/shader_runner.c
+++ b/tests/shader_runner.c
@@ -327,7 +327,9 @@ static void set_resource(struct shader_runner *runner, struct resource *resource
         }
     }
 
-    runner->resources = realloc(runner->resources, (runner->resource_count + 1) * sizeof(*runner->resources));
+    if (runner->resource_count == MAX_RESOURCES)
+        fatal_error("Too many resources declared.\n");
+
     runner->resources[runner->resource_count++] = resource;
 }
 
@@ -846,7 +848,6 @@ out:
         if (runner->resources[i])
             runner->ops->destroy_resource(runner, runner->resources[i]);
     }
-    free(runner->resources);
 
     fclose(f);
 
diff --git a/tests/shader_runner.h b/tests/shader_runner.h
index 8dc77673..3bfbf48d 100644
--- a/tests/shader_runner.h
+++ b/tests/shader_runner.h
@@ -87,6 +87,8 @@ struct input_element
     unsigned int index;
 };
 
+#define MAX_RESOURCES 32
+
 struct shader_runner
 {
     const struct shader_runner_ops *ops;
@@ -98,7 +100,7 @@ struct shader_runner
     uint32_t *uniforms;
     size_t uniform_count, uniform_capacity;
 
-    struct resource **resources;
+    struct resource *resources[MAX_RESOURCES];
     size_t resource_count;
 
     struct sampler *samplers;