diff --git a/ggml/src/ggml-cpu/ops.cpp b/ggml/src/ggml-cpu/ops.cpp
index 42f5b555fe..c4a26b7d10 100644
--- a/ggml/src/ggml-cpu/ops.cpp
+++ b/ggml/src/ggml-cpu/ops.cpp
@@ -7095,7 +7095,7 @@ static void ggml_compute_forward_im2col_3d_f16(
 
                             // micro kernel
                             ggml_fp16_t * dst_data = wdata + (in*OD*OH_OW + iod*OH_OW + ioh*OW + iow)*IC_KD_KH_KW; // [IC, KD, KH, KW]
-                            const float * const src_data = (float *) src1->data + (in*IC + iic)*ID_IH_IW; // [ID, IH, IW]
+                            const float * const src_data = (const float *) ((const char *)src1->data + (in*IC + iic)*nb13); // [ID, IH, IW]
 
                             for (int64_t ikd = 0; ikd < KD; ikd++) {
                                 for (int64_t ikh = 0; ikh < KH; ikh++) {
@@ -7107,7 +7107,8 @@ static void ggml_compute_forward_im2col_3d_f16(
                                         if (iid < 0 || iid >= ID || iih < 0 || iih >= IH || iiw < 0 || iiw >= IW || iid < 0 || iid >= ID) {
                                             dst_data[iic*KD_KH_KW + ikd * KH_KW + ikh*KW + ikw] = 0;
                                         } else {
-                                            dst_data[iic*KD_KH_KW + ikd * KH_KW + ikh*KW + ikw] = GGML_CPU_FP32_TO_FP16(src_data[iid*IH_IW + iih*IW + iiw]);
+                                            const float * const s = (const float *) ((const char *)src_data + iid*nb12 + iih*nb11 + iiw*nb10); // [ID, IH, IW]
+                                            dst_data[iic*KD_KH_KW + ikd * KH_KW + ikh*KW + ikw] = GGML_CPU_FP32_TO_FP16(*s);
                                         }
                                     }
                                 }
@@ -7187,7 +7188,7 @@ static void ggml_compute_forward_im2col_3d_f32(
 
                             // micro kernel
                             float * dst_data = wdata + (in*OD*OH_OW + iod*OH_OW + ioh*OW + iow)*IC_KD_KH_KW; // [IC, KD, KH, KW]
-                            const float * const src_data = (float *) src1->data + (in*IC + iic)*ID_IH_IW; // [ID, IH, IW]
+                            const float * const src_data = (const float *) ((const char *)src1->data + (in*IC + iic)*nb13); // [ID, IH, IW]
 
                             for (int64_t ikd = 0; ikd < KD; ikd++) {
                                 for (int64_t ikh = 0; ikh < KH; ikh++) {
@@ -7199,7 +7200,8 @@ static void ggml_compute_forward_im2col_3d_f32(
                                         if (iid < 0 || iid >= ID || iih < 0 || iih >= IH || iiw < 0 || iiw >= IW || iid < 0 || iid >= ID) {
                                             dst_data[iic*KD_KH_KW + ikd * KH_KW + ikh*KW + ikw] = 0;
                                         } else {
-                                            dst_data[iic*KD_KH_KW + ikd * KH_KW + ikh*KW + ikw] = src_data[iid*IH_IW + iih*IW + iiw];
+                                            const float * const s = (const float *) ((const char *)src_data + iid*nb12 + iih*nb11 + iiw*nb10); // [ID, IH, IW]
+                                            dst_data[iic*KD_KH_KW + ikd * KH_KW + ikh*KW + ikw] = *s;
                                         }
                                     }
                                 }