diff --git a/src/Formatter/PrecisionNumberFormatter.php b/src/Formatter/PrecisionNumberFormatter.php
index b560d07..946406b 100644
--- a/src/Formatter/PrecisionNumberFormatter.php
+++ b/src/Formatter/PrecisionNumberFormatter.php
@@ -34,7 +34,7 @@ public function formatValue(string $typeSpecifier, mixed $value): string
 
         $paddingChar   = ' ';
         $paddingDigits = $matches[1];
-        if (is_numeric($paddingDigits) && preg_match('/0[0-9]+/', $paddingDigits) !== false) {
+        if (is_numeric($paddingDigits) && preg_match('/0[0-9]+/', $paddingDigits) === 1) {
             $paddingChar = $paddingDigits[0];
         }