diff --git a/src/app/Http/Controllers/API/V4/Admin/WalletsController.php b/src/app/Http/Controllers/API/V4/Admin/WalletsController.php
--- a/src/app/Http/Controllers/API/V4/Admin/WalletsController.php
+++ b/src/app/Http/Controllers/API/V4/Admin/WalletsController.php
@@ -79,7 +79,7 @@
             return response()->json(['status' => 'error', 'errors' => $v->errors()], 422);
         }
 
-        $amount = (int) ($request->amount * 100);
+        $amount = (int) round($request->amount * 100);
         $method = $amount > 0 ? 'award' : 'penalty';
 
         DB::beginTransaction();
diff --git a/src/app/Http/Controllers/API/V4/PaymentsController.php b/src/app/Http/Controllers/API/V4/PaymentsController.php
--- a/src/app/Http/Controllers/API/V4/PaymentsController.php
+++ b/src/app/Http/Controllers/API/V4/PaymentsController.php
@@ -64,8 +64,8 @@
 
         // Normally the auto-payment setup operation is 0, if the balance is below the threshold
         // we'll top-up the wallet with the configured auto-payment amount
-        if ($wallet->balance < intval($request->balance * 100)) {
-            $mandate['amount'] = intval($request->amount * 100);
+        if ($wallet->balance < round($request->balance * 100)) {
+            $mandate['amount'] = (int) round($request->amount * 100);
 
             self::addTax($wallet, $mandate);
         }
@@ -131,7 +131,7 @@
         ]);
 
         // Trigger auto-payment if the balance is below the threshold
-        if ($wallet->balance < intval($request->balance * 100)) {
+        if ($wallet->balance < round($request->balance * 100)) {
             \App\Jobs\WalletCharge::dispatch($wallet);
         }
 
@@ -199,7 +199,7 @@
             return $v->errors()->toArray();
         }
 
-        $amount = (int) ($request->amount * 100);
+        $amount = (int) round($request->amount * 100);
 
         // Validate the minimum value
         // It has to be at least minimum payment amount and must cover current debt,
@@ -279,7 +279,7 @@
             return response()->json(['status' => 'error', 'errors' => $v->errors()], 422);
         }
 
-        $amount = (int) ($request->amount * 100);
+        $amount = (int) round($request->amount * 100);
 
         // Validate the minimum value
         if ($amount < Payment::MIN_AMOUNT) {
@@ -379,8 +379,8 @@
             return false;
         }
 
-        $min_balance = (int) (floatval($settings['mandate_balance']) * 100);
-        $amount = (int) (floatval($settings['mandate_amount']) * 100);
+        $min_balance = (int) round(floatval($settings['mandate_balance']) * 100);
+        $amount = (int) round(floatval($settings['mandate_amount']) * 100);
 
         // The wallet balance is greater than the auto-payment threshold
         if ($wallet->balance >= $min_balance) {
diff --git a/src/app/Providers/Payment/Stripe.php b/src/app/Providers/Payment/Stripe.php
--- a/src/app/Providers/Payment/Stripe.php
+++ b/src/app/Providers/Payment/Stripe.php
@@ -368,7 +368,7 @@
 
                 if ($status == Payment::STATUS_PAID) {
                     $payment->wallet->setSetting('stripe_mandate_id', $intent->id);
-                    $threshold = intval((float) $payment->wallet->getSetting('mandate_balance') * 100);
+                    $threshold = (int) round((float) $payment->wallet->getSetting('mandate_balance') * 100);
 
                     // Call credit() so wallet/account state is updated
                     $this->creditPayment($payment, $intent);
diff --git a/src/tests/Feature/Controller/Admin/WalletsTest.php b/src/tests/Feature/Controller/Admin/WalletsTest.php
--- a/src/tests/Feature/Controller/Admin/WalletsTest.php
+++ b/src/tests/Feature/Controller/Admin/WalletsTest.php
@@ -103,7 +103,7 @@
         $this->assertCount(2, $json['errors']);
 
         // Admin user - a valid bonus
-        $post = ['amount' => '50', 'description' => 'A bonus'];
+        $post = ['amount' => '17.40', 'description' => 'A bonus'];
         $response = $this->actingAs($admin)->post("api/v4/wallets/{$wallet->id}/one-off", $post);
         $response->assertStatus(200);
 
@@ -111,7 +111,7 @@
 
         $this->assertSame('success', $json['status']);
         $this->assertSame('The bonus has been added to the wallet successfully.', $json['message']);
-        $this->assertSame($balance += 5000, $json['balance']);
+        $this->assertSame($balance += 1740, $json['balance']);
         $this->assertSame($balance, $wallet->fresh()->balance);
         $this->assertSame($reseller_balance, $reseller_wallet->fresh()->balance);
 
@@ -119,11 +119,11 @@
             ->where('type', Transaction::WALLET_AWARD)->first();
 
         $this->assertSame($post['description'], $transaction->description);
-        $this->assertSame(5000, $transaction->amount);
+        $this->assertSame(1740, $transaction->amount);
         $this->assertSame($admin->email, $transaction->user_email);
 
         // Admin user - a valid penalty
-        $post = ['amount' => '-40', 'description' => 'A penalty'];
+        $post = ['amount' => '-17.40', 'description' => 'A penalty'];
         $response = $this->actingAs($admin)->post("api/v4/wallets/{$wallet->id}/one-off", $post);
         $response->assertStatus(200);
 
@@ -131,7 +131,7 @@
 
         $this->assertSame('success', $json['status']);
         $this->assertSame('The penalty has been added to the wallet successfully.', $json['message']);
-        $this->assertSame($balance -= 4000, $json['balance']);
+        $this->assertSame($balance -= 1740, $json['balance']);
         $this->assertSame($balance, $wallet->fresh()->balance);
         $this->assertSame($reseller_balance, $reseller_wallet->fresh()->balance);
 
@@ -139,7 +139,7 @@
             ->where('type', Transaction::WALLET_PENALTY)->first();
 
         $this->assertSame($post['description'], $transaction->description);
-        $this->assertSame(-4000, $transaction->amount);
+        $this->assertSame(-1740, $transaction->amount);
         $this->assertSame($admin->email, $transaction->user_email);
     }