diff --git a/src/server/utils/wgHelper.ts b/src/server/utils/wgHelper.ts
index d97baf3d..607a0c51 100644
--- a/src/server/utils/wgHelper.ts
+++ b/src/server/utils/wgHelper.ts
@@ -63,11 +63,11 @@ AllowedIPs = ${allowedIps.join(', ')}${extraLines.length ? `\n${extraLines.join(
         S2: wgInterface.s2,
         S3: wgInterface.s3,
         S4: wgInterface.s4,
-        i1: wgInterface.i1,
-        i2: wgInterface.i2,
-        i3: wgInterface.i3,
-        i4: wgInterface.i4,
-        i5: wgInterface.i5,
+        I1: wgInterface.i1,
+        I2: wgInterface.i2,
+        I3: wgInterface.i3,
+        I4: wgInterface.i4,
+        I5: wgInterface.i5,
         H1: wgInterface.h1,
         H2: wgInterface.h2,
         H3: wgInterface.h3,
@@ -131,11 +131,11 @@ PostDown = ${iptablesTemplate(hooks.postDown, wgInterface)}`;
         S2: wgInterface.s2,
         S3: wgInterface.s3,
         S4: wgInterface.s4,
-        i1: client.i1,
-        i2: client.i2,
-        i3: client.i3,
-        i4: client.i4,
-        i5: client.i5,
+        I1: client.i1,
+        I2: client.i2,
+        I3: client.i3,
+        I4: client.i4,
+        I5: client.i5,
         H1: wgInterface.h1,
         H2: wgInterface.h2,
         H3: wgInterface.h3,