diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index c09d39b9..f076966d 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -1513,10 +1513,6 @@
     </RedundantConditionGivenDocblockType>
   </file>
   <file src="src/GpsPoint.php">
-    <DocblockTypeContradiction>
-      <code>$value === false || $value === null</code>
-      <code>$value === null</code>
-    </DocblockTypeContradiction>
     <InvalidOperand>
       <code>$matches[1][0]</code>
       <code>$matches[2][0]</code>
diff --git a/src/GpsPoint.php b/src/GpsPoint.php
index dd3fcb5b..93918495 100644
--- a/src/GpsPoint.php
+++ b/src/GpsPoint.php
@@ -3,6 +3,7 @@
 namespace Laminas\Validator;
 
 use function explode;
+use function is_numeric;
 use function preg_match;
 use function preg_match_all;
 use function preg_replace;
@@ -53,12 +54,18 @@ private function isValidCoordinate(string $value, float $maxBoundary): bool
             $value = $this->removeDegreeSign($value);
         }
 
-        if ($value === false || $value === null || !is_numeric($value)) {
+        if ($value === false) {
             $this->error(self::CONVERT_ERROR);
             return false;
         }
 
-        if (!$this->isValueInbound((float) $value, $maxBoundary)) {
+        $castedValue = (float) $value;
+        if (! is_numeric($value) && $castedValue === 0.0) {
+            $this->error(self::CONVERT_ERROR);
+            return false;
+        }
+
+        if (! $this->isValueInbound($castedValue, $maxBoundary)) {
             $this->error(self::OUT_OF_BOUNDS);
             return false;
         }
@@ -100,6 +107,6 @@ private function isValueInbound(float $value, float $boundary): bool
     {
         $max = $boundary;
         $min = -1 * $boundary;
-        return ($min <= $value && $value <= $max);
+        return $min <= $value && $value <= $max;
     }
 }
diff --git a/test/GPSPointTest.php b/test/GPSPointTest.php
index 26d007fd..dab43bd6 100644
--- a/test/GPSPointTest.php
+++ b/test/GPSPointTest.php
@@ -73,11 +73,12 @@ public static function basicDataProvider(): array
     public static function errorMessageTestValues(): array
     {
         return [
-            ['63 47 24.691 N, 18 2 54.363 W', GpsPoint::CONVERT_ERROR, '63 47 24.691 N'],
+            ['63 47 24.691 N, 18 2 54.363 W', GpsPoint::OUT_OF_BOUNDS, '63 47 24.691 N'],
             ['65° 4\' N,-22.728867530822754', GpsPoint::CONVERT_ERROR, '65° 4\' N'],
             ['° \' " N,° \' " E', GpsPoint::CONVERT_ERROR, '° \' " N'],
             ['° \' " N', GpsPoint::INCOMPLETE_COORDINATE, '° \' " N'],
             ['foo,bar', GpsPoint::CONVERT_ERROR, 'foo'],
+            [' ,-22.4', GpsPoint::CONVERT_ERROR, ' '],
         ];
     }
 }