diff --git a/src/vrend_renderer.c b/src/vrend_renderer.c
index 75617c3..7416a13 100644
--- a/src/vrend_renderer.c
+++ b/src/vrend_renderer.c
@@ -3597,7 +3597,7 @@ static inline void vrend_fill_shader_key(struct vrend_sub_context *sub_ctx,
       if (view && view->texture->target == GL_TEXTURE_BUFFER &&
          tex_conv_table[view->format].flags & VIRGL_TEXTURE_NEED_SWIZZLE) {
 
-         key->sampler_views_lower_swizzle_mask |= 1 << i;
+         key->sampler_views_lower_swizzle_mask[i / 64] |= 1ull << (i % 64);
          key->tex_swizzle[i] = to_pipe_swizzle(view->gl_swizzle[0])  |
                to_pipe_swizzle(view->gl_swizzle[1]) << 3 |
                to_pipe_swizzle(view->gl_swizzle[2]) << 6 |
diff --git a/src/vrend_shader.c b/src/vrend_shader.c
index 8b9215f..f5a67de 100644
--- a/src/vrend_shader.c
+++ b/src/vrend_shader.c
@@ -2948,7 +2948,7 @@ static void translate_tex(struct dump_ctx *ctx,
                    tex_ext, srcs[sampler_index], get_string(txfi), srcs[0],
                    get_wm_string(twm), bias, offset);
 
-         if (ctx->key->sampler_views_lower_swizzle_mask & (1 << sinfo->sreg_index)) {
+         if (ctx->key->sampler_views_lower_swizzle_mask[sinfo->sreg_index / 64] & (1ull << (sinfo->sreg_index % 64))) {
             int16_t  packed_swizzles = ctx->key->tex_swizzle[sinfo->sreg_index];
             emit_buff(&ctx->glsl_strbufs,  "   val = vec4(");
 
diff --git a/src/vrend_shader.h b/src/vrend_shader.h
index e011d68..31cdcf0 100644
--- a/src/vrend_shader.h
+++ b/src/vrend_shader.h
@@ -32,6 +32,9 @@
 
 #define VIRGL_NUM_CLIP_PLANES 8
 
+#define VREND_SHADER_SAMPLER_VIEWS_MASK_LENGTH \
+   ((PIPE_MAX_SHADER_SAMPLER_VIEWS + 63) / 64)
+
 enum gl_advanced_blend_mode
 {
    BLEND_NONE = 0,
@@ -180,7 +183,7 @@ struct vrend_shader_key {
       } gs;
    };
 
-   uint32_t sampler_views_lower_swizzle_mask;
+   uint64_t sampler_views_lower_swizzle_mask[VREND_SHADER_SAMPLER_VIEWS_MASK_LENGTH];
    uint16_t tex_swizzle[PIPE_MAX_SHADER_SAMPLER_VIEWS];
 
    uint8_t num_in_cull : 4;