diff --git a/tests/shader_runner.c b/tests/shader_runner.c
index 2bdc6bd1..bf3bc0d8 100644
--- a/tests/shader_runner.c
+++ b/tests/shader_runner.c
@@ -725,17 +725,14 @@ void run_shader_tests(struct shader_runner *runner, int argc, char **argv, const
             {
                 state = STATE_SAMPLER;
 
-                if ((current_sampler = get_sampler(runner, index)))
+                if (!(current_sampler = get_sampler(runner, index)))
                 {
-                    memset(current_sampler, 0, sizeof(*current_sampler));
-                }
-                else
-                {
-                    runner->samplers = realloc(runner->samplers,
-                            ++runner->sampler_count * sizeof(*runner->samplers));
-                    current_sampler = &runner->samplers[runner->sampler_count - 1];
-                    memset(current_sampler, 0, sizeof(*current_sampler));
+                    if (runner->sampler_count == MAX_SAMPLERS)
+                        fatal_error("Too many samplers declared.\n");
+
+                    current_sampler = &runner->samplers[runner->sampler_count++];
                 }
+                memset(current_sampler, 0, sizeof(*current_sampler));
                 current_sampler->slot = index;
                 current_sampler->filter = D3D12_FILTER_MIN_MAG_MIP_POINT;
                 current_sampler->u_address = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
diff --git a/tests/shader_runner.h b/tests/shader_runner.h
index 3bfbf48d..5d08206f 100644
--- a/tests/shader_runner.h
+++ b/tests/shader_runner.h
@@ -88,6 +88,7 @@ struct input_element
 };
 
 #define MAX_RESOURCES 32
+#define MAX_SAMPLERS 32
 
 struct shader_runner
 {
@@ -103,7 +104,7 @@ struct shader_runner
     struct resource *resources[MAX_RESOURCES];
     size_t resource_count;
 
-    struct sampler *samplers;
+    struct sampler samplers[MAX_SAMPLERS];
     size_t sampler_count;
 
     struct input_element *input_elements;