diff --git a/ggml/src/ggml-vulkan/ggml-vulkan.cpp b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
index e80056009b4a..b345ae3832b6 100644
--- a/ggml/src/ggml-vulkan/ggml-vulkan.cpp
+++ b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
@@ -7673,6 +7673,7 @@ static vk_pipeline ggml_vk_get_to_fp16(ggml_backend_vk_context * ctx, ggml_type
     switch (type) {
         case GGML_TYPE_F32:
         case GGML_TYPE_Q1_0:
+        case GGML_TYPE_PTQ1_0:
         case GGML_TYPE_Q2_0:
         case GGML_TYPE_Q4_0:
         case GGML_TYPE_Q4_1:
@@ -7748,6 +7749,7 @@ static vk_matmul_pipeline ggml_vk_get_mul_mat_mat_pipeline(ggml_backend_vk_conte
 
     switch (src0_type) {
         case GGML_TYPE_Q1_0:
+        case GGML_TYPE_PTQ1_0:
         case GGML_TYPE_Q2_0:
         case GGML_TYPE_Q4_0:
         case GGML_TYPE_Q4_1:
@@ -7818,6 +7820,7 @@ static vk_pipeline ggml_vk_get_dequantize_mul_mat_vec(ggml_backend_vk_context *
         case GGML_TYPE_F16:
         case GGML_TYPE_BF16:
         case GGML_TYPE_Q1_0:
+        case GGML_TYPE_PTQ1_0:
         case GGML_TYPE_Q2_0:
         case GGML_TYPE_Q4_0:
         case GGML_TYPE_Q4_1:
@@ -7912,6 +7915,7 @@ static vk_matmul_pipeline ggml_vk_get_mul_mat_mat_id_pipeline(ggml_backend_vk_co
 
     switch (src0_type) {
         case GGML_TYPE_Q1_0:
+        case GGML_TYPE_PTQ1_0:
         case GGML_TYPE_Q2_0:
         case GGML_TYPE_Q4_0:
         case GGML_TYPE_Q4_1:
@@ -7985,6 +7989,7 @@ static vk_pipeline ggml_vk_get_dequantize_mul_mat_vec_id(ggml_backend_vk_context
         case GGML_TYPE_F16:
         case GGML_TYPE_BF16:
         case GGML_TYPE_Q1_0:
+        case GGML_TYPE_PTQ1_0:
         case GGML_TYPE_Q2_0:
         case GGML_TYPE_Q4_0:
         case GGML_TYPE_Q4_1:
@@ -18165,6 +18170,7 @@ static bool ggml_backend_vk_device_supports_op(ggml_backend_dev_t dev, const ggm
                     case GGML_TYPE_F16:
                     case GGML_TYPE_BF16:
                     case GGML_TYPE_Q1_0:
+                    case GGML_TYPE_PTQ1_0:
                     case GGML_TYPE_Q2_0:
                     case GGML_TYPE_Q4_0:
                     case GGML_TYPE_Q4_1:
@@ -18271,6 +18277,7 @@ static bool ggml_backend_vk_device_supports_op(ggml_backend_dev_t dev, const ggm
                     case GGML_TYPE_F16:
                     case GGML_TYPE_BF16:
                     case GGML_TYPE_Q1_0:
+                    case GGML_TYPE_PTQ1_0:
                     case GGML_TYPE_Q2_0:
                     case GGML_TYPE_Q4_0:
                     case GGML_TYPE_Q4_1: