diff --git a/lib/nvml.py b/lib/nvml.py
index 05dbcbc..6ecb307 100644
--- a/lib/nvml.py
+++ b/lib/nvml.py
@@ -239,15 +239,15 @@ def set_oc(settings):
                     gpu_possible_ranges = all_gpus_data_list[oc_gpu_index]
                     gpu_handle = pynvml.nvmlDeviceGetHandleByIndex(oc_gpu_index)
                     if "core" in gpu_oc_config:
-                        wanted_core_clock = round(gpu_oc_config["core"]*2)
+                        wanted_core_clock = int(round(gpu_oc_config["core"]*2))
                         if gpu_possible_ranges["core"][0] <= wanted_core_clock and wanted_core_clock <= gpu_possible_ranges["core"][1]:
                             pynvml.nvmlDeviceSetGpcClkVfOffset(gpu_handle, wanted_core_clock)
                         else:
                             log.error(f"Requested OC for GPU:{oc_gpu_index} (CORE) out of bound | {wanted_core_clock} | [{gpu_possible_ranges["core"][0]}, {gpu_possible_ranges["core"][1]}]")
                     if "mem" in gpu_oc_config:
-                        wanted_mem_clock = round(gpu_oc_config["mem"]*2)
+                        wanted_mem_clock = int(round(gpu_oc_config["mem"]*2))
                         if gpu_possible_ranges["mem"][0] <= wanted_mem_clock and wanted_mem_clock <= gpu_possible_ranges["mem"][1]:
-                            pynvml.nvmlDeviceSetGpcClkVfOffset(gpu_handle, wanted_mem_clock)
+                            pynvml.nvmlDeviceSetMemClkVfOffset(gpu_handle, wanted_mem_clock)
                         else:
                             log.error(f"Requested OC for GPU:{oc_gpu_index} (MEMORY) out of bound | {wanted_mem_clock} | [{gpu_possible_ranges["mem"][0]}, {gpu_possible_ranges["mem"][1]}]")
                     if "pl" in gpu_oc_config: