diff --git a/build.gradle.kts b/build.gradle.kts
index e313cfd0c..17a600359 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -52,7 +52,7 @@ allprojects {
 }
 
 group = "exchange.dydx.abacus"
-version = "1.13.45"
+version = "1.13.46"
 
 repositories {
     google()
diff --git a/src/commonMain/kotlin/exchange.dydx.abacus/validator/BaseInputValidator.kt b/src/commonMain/kotlin/exchange.dydx.abacus/validator/BaseInputValidator.kt
index 8f473ac00..8384a8749 100644
--- a/src/commonMain/kotlin/exchange.dydx.abacus/validator/BaseInputValidator.kt
+++ b/src/commonMain/kotlin/exchange.dydx.abacus/validator/BaseInputValidator.kt
@@ -1,5 +1,6 @@
 package exchange.dydx.abacus.validator
 
+import com.ionspin.kotlin.bignum.decimal.toBigDecimal
 import exchange.dydx.abacus.output.input.ErrorAction
 import exchange.dydx.abacus.output.input.ErrorFormat
 import exchange.dydx.abacus.output.input.ErrorParam
@@ -188,9 +189,7 @@ internal open class BaseInputValidator(
             }
 
             ErrorFormat.Size -> {
-                parser.asDouble(value)?.let { amount ->
-                    "$amount"
-                } ?: run { null }
+                parser.asDouble(value)?.toBigDecimal()?.toPlainString() ?: run { null }
             }
 
             else -> null
diff --git a/v4_abacus.podspec b/v4_abacus.podspec
index dcab222aa..fc4ce5846 100644
--- a/v4_abacus.podspec
+++ b/v4_abacus.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |spec|
     spec.name                     = 'v4_abacus'
-    spec.version                  = '1.13.45'
+    spec.version                  = '1.13.46'
     spec.homepage                 = 'https://github.com/dydxprotocol/v4-abacus'
     spec.source                   = { :http=> ''}
     spec.authors                  = ''