diff --git a/keymaps/lif-preonic.json b/keymaps/lif-preonic.json
index 5bda71a..9166d8e 100644
--- a/keymaps/lif-preonic.json
+++ b/keymaps/lif-preonic.json
@@ -103,8 +103,8 @@
       "KC_P4",
       "KC_P5",
       "KC_P6",
-      "KC_NO",
-      "KC_NO",
+      "KC_MINS",
+      "KC_EQL",
       "KC_NO",
       "KC_NO",
       "KC_NO",
@@ -165,6 +165,8 @@
       "KC_DOWN",
       "KC_UP",
       "KC_RGHT",
+      "KC_UNDS",
+      "KC_PLUS",
       "KC_NO",
       "KC_NO",
       "KC_NO",
@@ -172,10 +174,8 @@
       "KC_NO",
       "KC_NO",
       "KC_NO",
-      "KC_NO",
-      "KC_NO",
-      "KC_NO",
-      "KC_NO",
+      "KC_BSLS",
+      "KC_PIPE",
       "KC_NO",
       "KC_NO",
       "KC_NO",
diff --git a/keymaps/lif-preonic.svg b/keymaps/lif-preonic.svg
index 7ca89f6..7d98f7d 100644
--- a/keymaps/lif-preonic.svg
+++ b/keymaps/lif-preonic.svg
@@ -499,9 +499,11 @@ path.combo { stroke: #7f7f7f; }
 </g>
 <g transform="translate(588, 140)" class="key keypos-34">
 <rect rx="6" ry="6" x="-26" y="-26" width="52" height="52" class="key"/>
+<text x="0" y="0" class="key tap">-</text>
 </g>
 <g transform="translate(644, 140)" class="key keypos-35">
 <rect rx="6" ry="6" x="-26" y="-26" width="52" height="52" class="key"/>
+<text x="0" y="0" class="key tap">=</text>
 </g>
 <g transform="translate(28, 196)" class="key keypos-36">
 <rect rx="6" ry="6" x="-26" y="-26" width="52" height="52" class="key"/>
@@ -694,9 +696,11 @@ path.combo { stroke: #7f7f7f; }
 </g>
 <g transform="translate(588, 140)" class="key keypos-34">
 <rect rx="6" ry="6" x="-26" y="-26" width="52" height="52" class="key"/>
+<text x="0" y="0" class="key tap">_</text>
 </g>
 <g transform="translate(644, 140)" class="key keypos-35">
 <rect rx="6" ry="6" x="-26" y="-26" width="52" height="52" class="key"/>
+<text x="0" y="0" class="key tap">+</text>
 </g>
 <g transform="translate(28, 196)" class="key keypos-36">
 <rect rx="6" ry="6" x="-26" y="-26" width="52" height="52" class="key"/>
@@ -721,6 +725,7 @@ path.combo { stroke: #7f7f7f; }
 </g>
 <g transform="translate(420, 196)" class="key keypos-43">
 <rect rx="6" ry="6" x="-26" y="-26" width="52" height="52" class="key"/>
+<text x="0" y="0" class="key tap">\</text>
 </g>
 <g transform="translate(476, 196)" class="key keypos-44">
 <rect rx="6" ry="6" x="-26" y="-26" width="52" height="52" class="key"/>