diff --git a/CHANGELOG.md b/CHANGELOG.md
index a80bd28811771521440c4af557e0907df2af967d..48b498cd5b69e210874be9614955e797343757f8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 - fix(sema): fix passing structs as function params
 - fix: diagnostic box drawing characters line up after line 9
 - fix: diagnostics on last line of file print correctly
+- fix: diagnostics with the leading zero warning
 
 ## 0.1.4
 
diff --git a/src/core/Transform.zig b/src/core/Transform.zig
index 1a24a2bd5da49c04ce1fa1798a7fe75d13be8588..0c2a57a99f641bf0d020b2fb6ad6304492193372 100644
--- a/src/core/Transform.zig
+++ b/src/core/Transform.zig
@@ -881,7 +881,15 @@ fn transformExpression(
                 else => @compileError(unreachable),
             };
 
-            if (value != 0 and text[0] == '0' and (text.len == 1 or text[1] != '.')) {
+            const has_zero_prefix = value != 0 and
+                text[0] == '0' and
+                (text.len == 1 or switch (tag) {
+                .number_int => text[1] >= '0' and text[1] < '9',
+                .number_float => text[1] != '.',
+                else => @compileError(unreachable),
+            });
+
+            if (has_zero_prefix) {
                 try t.report.warn(.zero_prefixed_literal, .{ .token = t.ast.nodeToken(node) });
             }