diff --git a/extension.js b/extension.js
index 7892e8a..a1173a9 100644
--- a/extension.js
+++ b/extension.js
@@ -154,7 +154,8 @@ class Extension {
         const float EDGE_BLEND = 70;
         const float BURN_RANGE = 0.1;
         const float BURN_TIME  = 0.2;
-        const vec2  FIRE_SCALE = vec2(400, 600);
+        const vec2  FIRE_SCALE = vec2(400, 600) * ${
+          this._settings.get_double('flame-scale')};
         const float FIRE_SPEED = ${this._settings.get_double('flame-movement-speed')};
 
         float rand(vec2 co) {
diff --git a/prefs.js b/prefs.js
index a024c8f..8781fc1 100644
--- a/prefs.js
+++ b/prefs.js
@@ -45,6 +45,7 @@ var PreferencesDialog = class PreferencesDialog {
     // Bind all properties.
     this._bindAdjustment('destroy-animation-time');
     this._bindAdjustment('flame-movement-speed');
+    this._bindAdjustment('flame-scale');
     this._bindColorButton('fire-color-1');
     this._bindColorButton('fire-color-2');
     this._bindColorButton('fire-color-3');
diff --git a/resources/ui/settings.ui b/resources/ui/settings.ui
index 3de9c22..7a06458 100644
--- a/resources/ui/settings.ui
+++ b/resources/ui/settings.ui
@@ -86,6 +86,52 @@
                       </object>
                     </child>
 
+                    <child>
+                      <object class="GtkListBoxRow">
+                        <property name="activatable">0</property>
+                        <child>
+                          <object class="GtkBox">
+                            <child>
+                              <object class="GtkLabel">
+                                <property name="label" translatable="yes">Flame Scale</property>
+                                <property name="xalign">0</property>
+                                <property name="halign">start</property>
+                                <property name="valign">center</property>
+                                <property name="hexpand">1</property>
+                              </object>
+                            </child>
+                            <child>
+                              <object class="GtkScale">
+                                <property name="halign">end</property>
+                                <property name="valign">center</property>
+                                <property name="draw-value">1</property>
+                                <property name="digits">2</property>
+                                <property name="value-pos">left</property>
+                                <property name="width-request">300</property>
+                                <property name="adjustment">
+                                  <object class="GtkAdjustment" id="flame-scale">
+                                    <property name="upper">5</property>
+                                    <property name="lower">0.1</property>
+                                    <property name="step-increment">0.01</property>
+                                    <property name="page-increment">0.1</property>
+                                  </object>
+                                </property>
+                              </object>
+                            </child>
+                            <child>
+                              <object class="GtkButton" id="reset-flame-scale">
+                                <property name="icon-name">edit-clear-symbolic</property>
+                                <property name="tooltip-text">Reset to Default Value</property>
+                                <style>
+                                  <class name="flat" />
+                                </style>
+                              </object>
+                            </child>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
+
                     <child>
                       <object class="GtkListBoxRow">
                         <property name="activatable">0</property>
diff --git a/schemas/org.gnome.shell.extensions.burn-my-windows.gschema.xml b/schemas/org.gnome.shell.extensions.burn-my-windows.gschema.xml
index 65c6c52..dc4e287 100644
--- a/schemas/org.gnome.shell.extensions.burn-my-windows.gschema.xml
+++ b/schemas/org.gnome.shell.extensions.burn-my-windows.gschema.xml
@@ -15,6 +15,12 @@
       <description>The speed at which the flames move.</description>
     </key>
 
+    <key name="flame-scale" type="d">
+      <default>1.0</default>
+      <summary>Flame Scale</summary>
+      <description>The size of the flames.</description>
+    </key>
+
     <key name="fire-color-1" type="s">
       <default>"rgba(76, 51, 25, 0.0)"</default>
       <summary>Fire Color 1</summary>