diff --git a/src/cutter.cpp b/src/cutter.cpp
index d457e643..e4062e0e 100644
--- a/src/cutter.cpp
+++ b/src/cutter.cpp
@@ -515,6 +515,7 @@ void CutterCore::resetDefaultAsmOptions()
     setConfig("asm.bytes", Config()->getAsmBytes());
     setConfig("asm.bytespace", Config()->getAsmBytespace());
     setConfig("asm.lbytes", Config()->getAsmLBytes());
+    setConfig("asm.nbytes", Config()->getAsmNBytes());
     setConfig("asm.syntax", Config()->getAsmSyntax());
     setConfig("asm.ucase", Config()->getAsmUppercase());
     setConfig("asm.bbline", Config()->getAsmBBLine());
@@ -539,6 +540,7 @@ void CutterCore::saveDefaultAsmOptions()
     Config()->setAsmBytes(getConfigb("asm.bytes"));
     Config()->setAsmBytespace(getConfigb("asm.bytespace"));
     Config()->setAsmLBytes(getConfigb("asm.lbytes"));
+    Config()->setAsmNBytes(getConfigi("asm.nbytes"));
     Config()->setAsmSyntax(getConfig("asm.syntax"));
     Config()->setAsmUppercase(getConfigb("asm.ucase"));
     Config()->setAsmBBLine(getConfigb("asm.bbline"));
@@ -784,7 +786,6 @@ void CutterCore::setSettings()
 
     setConfig("asm.tabsonce", true);
     setConfig("asm.tabsoff", 5);
-    setConfig("asm.nbytes", 10);
     setConfig("asm.midflags", 2);
     //setConfig("asm.bbline", "true");
 
diff --git a/src/dialogs/preferences/AsmOptionsWidget.cpp b/src/dialogs/preferences/AsmOptionsWidget.cpp
index 843b5cf5..e4849086 100644
--- a/src/dialogs/preferences/AsmOptionsWidget.cpp
+++ b/src/dialogs/preferences/AsmOptionsWidget.cpp
@@ -52,6 +52,12 @@ void AsmOptionsWidget::updateAsmOptionsFromVars()
     ui->bytespaceCheckBox->setEnabled(bytesEnabled);
     qhelpers::setCheckedWithoutSignals(ui->lbytesCheckBox, Core()->getConfigb("asm.lbytes"));
     ui->lbytesCheckBox->setEnabled(bytesEnabled);
+    ui->nbytesSpinBox->blockSignals(true);
+    ui->nbytesSpinBox->setValue(Core()->getConfigi("asm.nbytes"));
+    ui->nbytesSpinBox->blockSignals(false);
+    ui->nbytesLabel->setEnabled(bytesEnabled);
+    ui->nbytesSpinBox->setEnabled(bytesEnabled);
+
 
     QString currentSyntax = Core()->getConfig("asm.syntax");
     for (int i = 0; i < ui->syntaxComboBox->count(); i++)
@@ -178,6 +184,8 @@ void AsmOptionsWidget::on_bytesCheckBox_toggled(bool checked)
     Core()->setConfig("asm.bytes", checked);
     ui->bytespaceCheckBox->setEnabled(checked);
     ui->lbytesCheckBox->setEnabled(checked);
+    ui->nbytesLabel->setEnabled(checked);
+    ui->nbytesSpinBox->setEnabled(checked);
     triggerAsmOptionsChanged();
 }
 
@@ -193,6 +201,12 @@ void AsmOptionsWidget::on_lbytesCheckBox_toggled(bool checked)
     triggerAsmOptionsChanged();
 }
 
+void AsmOptionsWidget::on_nbytesSpinBox_valueChanged(int value)
+{
+    Core()->setConfig("asm.nbytes", value);
+    triggerAsmOptionsChanged();
+}
+
 void AsmOptionsWidget::on_syntaxComboBox_currentIndexChanged(int index)
 {
     Core()->setConfig("asm.syntax", ui->syntaxComboBox->itemData(index).toString().toUtf8().constData());
diff --git a/src/dialogs/preferences/AsmOptionsWidget.h b/src/dialogs/preferences/AsmOptionsWidget.h
index f93c0def..36edbc92 100644
--- a/src/dialogs/preferences/AsmOptionsWidget.h
+++ b/src/dialogs/preferences/AsmOptionsWidget.h
@@ -50,6 +50,7 @@ private slots:
     void on_syntaxComboBox_currentIndexChanged(int index);
     void on_caseComboBox_currentIndexChanged(int index);
     void on_asmTabsSpinBox_valueChanged(int value);
+    void on_nbytesSpinBox_valueChanged(int value);
     void on_bblineCheckBox_toggled(bool checked);
     void on_varsubCheckBox_toggled(bool checked);
     void on_varsubOnlyCheckBox_toggled(bool checked);
diff --git a/src/dialogs/preferences/AsmOptionsWidget.ui b/src/dialogs/preferences/AsmOptionsWidget.ui
index 5081d6ac..264fcd2f 100644
--- a/src/dialogs/preferences/AsmOptionsWidget.ui
+++ b/src/dialogs/preferences/AsmOptionsWidget.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>545</width>
-    <height>638</height>
+    <height>710</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -112,6 +112,30 @@
      </item>
     </layout>
    </item>
+   <item>
+    <layout class="QGridLayout" name="gridLayout_3">
+     <property name="leftMargin">
+      <number>16</number>
+     </property>
+     <item row="0" column="0">
+      <widget class="QLabel" name="nbytesLabel">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
+       <property name="text">
+        <string>Number of bytes to display (asm.nbytes):</string>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="1">
+      <widget class="QSpinBox" name="nbytesSpinBox">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
    <item>
     <layout class="QGridLayout" name="gridLayout">
      <item row="0" column="1">
@@ -148,7 +172,7 @@
    <item>
     <layout class="QGridLayout" name="gridLayout_2">
      <item row="0" column="0">
-      <widget class="QLabel" name="label">
+      <widget class="QLabel" name="asmTabsLabel">
        <property name="text">
         <string>Tabs in assembly (asm.tabs):</string>
        </property>
diff --git a/src/utils/Configuration.h b/src/utils/Configuration.h
index 8d3748f8..38e6dc16 100644
--- a/src/utils/Configuration.h
+++ b/src/utils/Configuration.h
@@ -70,8 +70,8 @@ public:
     bool getAsmCmtRight() const         { return s.value("asm.cmtright", true).toBool(); }
     void setAsmCmtRight(bool v)         { s.setValue("asm.cmtright", v); }
 
-    bool getAsmVarSum() const            { return s.value("asm.varsum", false).toBool(); }
-    void setAsmVarSum(bool v)            { s.setValue("asm.varsum", v); }
+    bool getAsmVarSum() const           { return s.value("asm.varsum", false).toBool(); }
+    void setAsmVarSum(bool v)           { s.setValue("asm.varsum", v); }
 
     bool getAsmBytes() const            { return s.value("asm.bytes", false).toBool(); }
     void setAsmBytes(bool v)            { s.setValue("asm.bytes", v); }
@@ -82,6 +82,9 @@ public:
     bool getAsmLBytes() const           { return s.value("asm.lbytes", true).toBool(); }
     void setAsmLBytes(bool v)           { s.setValue("asm.lbytes", v); }
 
+    int getAsmNBytes() const            { return s.value("asm.nbytes", 10).toInt(); }
+    void setAsmNBytes(int v)            { s.setValue("asm.nbytes", v); }
+
     QString getAsmSyntax() const        { return s.value("asm.syntax", "intel").toString(); }
     void setAsmSyntax(const QString &v) { s.setValue("asm.syntax", v); }