diff --git a/internal/integration_test/vs/runtime.go b/internal/integration_test/vs/runtime.go
index 66d36c894b..8964ee4bcb 100644
--- a/internal/integration_test/vs/runtime.go
+++ b/internal/integration_test/vs/runtime.go
@@ -80,9 +80,9 @@ func (m *wazeroModule) Memory() []byte {
 }
 
 func (r *wazeroRuntime) log(_ context.Context, mod api.Module, stack []uint64) {
-	offset, byteCount := uint32(stack[0]), stack[1]
+	offset, byteCount := uint32(stack[0]), uint32(stack[1])
 
-	buf, ok := mod.Memory().Read(offset, byteCount)
+	buf, ok := mod.Memory().Read(offset, uint64(byteCount))
 	if !ok {
 		panic("out of memory reading log buffer")
 	}
diff --git a/internal/logging/logging.go b/internal/logging/logging.go
index 3ec055e050..2e1da2d5fd 100644
--- a/internal/logging/logging.go
+++ b/internal/logging/logging.go
@@ -282,8 +282,8 @@ func writeMemH64(_ context.Context, mod api.Module, w Writer, i uint32, vals []u
 }
 
 func writeString(_ context.Context, mod api.Module, w Writer, i uint32, vals []uint64) {
-	offset, byteCount := uint32(vals[i]), vals[i+1]
-	WriteStringOrOOM(mod.Memory(), w, offset, byteCount)
+	offset, byteCount := uint32(vals[i]), uint32(vals[i+1])
+	WriteStringOrOOM(mod.Memory(), w, offset, uint64(byteCount))
 }
 
 func WriteStringOrOOM(mem api.Memory, w Writer, offset uint32, byteCount uint64) {
diff --git a/internal/wasip1/logging/logging.go b/internal/wasip1/logging/logging.go
index badc4878f6..7881f5e824 100644
--- a/internal/wasip1/logging/logging.go
+++ b/internal/wasip1/logging/logging.go
@@ -292,8 +292,8 @@ func (i logFdstat) Log(_ context.Context, mod api.Module, w logging.Writer, para
 type logString uint32
 
 func (i logString) Log(_ context.Context, mod api.Module, w logging.Writer, params []uint64) {
-	offset, byteCount := uint32(params[i]), uint64(params[i+1])
-	if s, ok := mod.Memory().Read(offset, byteCount); ok {
+	offset, byteCount := uint32(params[i]), uint32(params[i+1])
+	if s, ok := mod.Memory().Read(offset, uint64(byteCount)); ok {
 		w.Write(s) //nolint
 	}
 }