diff --git a/ggml-vulkan-shaders.hpp b/ggml-vulkan-shaders.hpp
index 6746977df13d7..86838430a770c 100644
--- a/ggml-vulkan-shaders.hpp
+++ b/ggml-vulkan-shaders.hpp
@@ -585,7 +585,7 @@ void main() {
     const int is = 0;
 #else
     const int l0 = 4 * v_in;                               // 0, 4, 8, ..., 28
-    const int is = in / 4;
+    const int is = v_in / 4;
 #endif
 
     const int ql_offset = 64*v_im + l0;
@@ -611,7 +611,7 @@ void main() {
                        + FLOAT_TYPE(y[y_idx +112]) * FLOAT_TYPE(x[ib0 + i].scales[s_offset + 7]) * d * FLOAT_TYPE(int8_t((x[ib0 + i].ql[ql_offset + 48]  >> 4) | ((x[ib0 + i].qh[qh_offset + 16] & 0xc0) >> 2)) - 32);
         tmp[16 * ix + tid] += sum;
 #else
-        FLOAT_TYPE sum = 0;
+        FLOAT_TYPE sum = FLOAT_TYPE(0.0);
         for (int l = 0; l < 4; ++l) {
             sum += FLOAT_TYPE(y[y_idx + l+ 0]) * FLOAT_TYPE(x[ib0 + i].scales[s_offset + 0]) * d * FLOAT_TYPE(int8_t((x[ib0 + i].ql[ql_offset + l+ 0] & 0xF) | (((x[ib0 + i].qh[qh_offset + l] >> 0) & 3) << 4)) - 32)
                  + FLOAT_TYPE(y[y_idx + l+32]) * FLOAT_TYPE(x[ib0 + i].scales[s_offset + 2]) * d * FLOAT_TYPE(int8_t((x[ib0 + i].ql[ql_offset + l+32] & 0xF) | (((x[ib0 + i].qh[qh_offset + l] >> 2) & 3) << 4)) - 32)
diff --git a/ggml-vulkan.cpp b/ggml-vulkan.cpp
index 6030fac48f83e..dd6ab75860df9 100644
--- a/ggml-vulkan.cpp
+++ b/ggml-vulkan.cpp
@@ -7,9 +7,9 @@
 
 #ifdef VK_PROFILE
 #define PROFILE(name, block) do { \
-    auto begin = std::chrono::high_resolution_clock::now(); \
+    auto begin = std::chrono::steady_clock::now(); \
     block \
-    auto end = std::chrono::high_resolution_clock::now(); \
+    auto end = std::chrono::steady_clock::now(); \
     double time_taken = std::chrono::duration_cast<std::chrono::microseconds>(end-begin).count() / 1000.0; \
     printf("%s: %lf ms\n", name, time_taken); \
 } while(0)
@@ -914,7 +914,7 @@ std::cerr << "ggml_vulkan: Validation layers enabled" << std::endl;
 
     // Try to find a non-graphics compute queue and transfer-focused queues
     const uint32_t compute_queue_family_index = ggml_vk_find_queue_family_index(queue_family_props, vk::QueueFlagBits::eCompute, vk::QueueFlagBits::eGraphics, -1, 1);
-    const uint32_t transfer_queue_family_index = ggml_vk_find_queue_family_index(queue_family_props, vk::QueueFlagBits::eTransfer, vk::QueueFlagBits::eCompute | vk::QueueFlagBits::eGraphics | vk::QueueFlagBits::eVideoDecodeKHR | vk::QueueFlagBits::eProtected | vk::QueueFlagBits::eOpticalFlowNV, compute_queue_family_index, 2);
+    const uint32_t transfer_queue_family_index = ggml_vk_find_queue_family_index(queue_family_props, vk::QueueFlagBits::eTransfer, vk::QueueFlagBits::eCompute | vk::QueueFlagBits::eGraphics, compute_queue_family_index, 2);
 
     uint32_t transfer_queue_count = VK_TRANSFER_QUEUE_COUNT;