diff --git a/app/Support/Search/OperatorQuerySearch.php b/app/Support/Search/OperatorQuerySearch.php
index b905734676..2004c46515 100644
--- a/app/Support/Search/OperatorQuerySearch.php
+++ b/app/Support/Search/OperatorQuerySearch.php
@@ -614,10 +614,9 @@ class OperatorQuerySearch implements SearchInterface
             // amount
             //
             case 'amount_is':
-
                 // strip comma's, make dots.
+                Log::debug(sprintf('Original value "%s"', $value));
                 $value = str_replace(',', '.', (string) $value);
-
                 $amount = app('steam')->positive($value);
                 Log::debug(sprintf('Set "%s" using collector with value "%s"', $operator, $amount));
                 $this->collector->amountIs($amount);
diff --git a/app/Support/Steam.php b/app/Support/Steam.php
index 43d2be481e..bb3fe857f3 100644
--- a/app/Support/Steam.php
+++ b/app/Support/Steam.php
@@ -34,6 +34,7 @@ use JsonException;
 use Log;
 use stdClass;
 use Str;
+use ValueError;
 
 /**
  * Class Steam.
@@ -627,8 +628,14 @@ class Steam
         if ('' === $amount) {
             return '0';
         }
-        if (bccomp($amount, '0') === -1) {
-            $amount = bcmul($amount, '-1');
+        try {
+            if (bccomp($amount, '0') === -1) {
+                $amount = bcmul($amount, '-1');
+            }
+        } catch (ValueError $e) {
+            Log::error(sprintf('ValueError in Steam::positive("%s"): %s', $amount, $e->getMessage()));
+            Log::error($e->getTraceAsString());
+            return '0';
         }
 
         return $amount;