1 files changed, 2 insertions, 2 deletions
diff --git a/lib/abi.js b/lib/abi.js
index 21580347d..d81c2f0c3 100644
--- a/lib/abi.js
+++ b/lib/abi.js
@@ -128,7 +128,7 @@ var formatInputReal = function (value) {
 
 var dynamicTypeBytes = function (type, value) {
     // TODO: decide what to do with array of strings
-    if (arrayType(type) || prefixedType('string')(type))
+    if (arrayType(type) || type === 'string')    // only string itself that is dynamic; stringX is static length.
         return formatInputInt(value.length); 
     return "";
 };
@@ -251,7 +251,7 @@ var formatOutputAddress = function (value) {
 };
 
 var dynamicBytesLength = function (type) {
-    if (arrayType(type) || prefixedType('string')(type))
+    if (arrayType(type) || type === 'string')   // only string itself that is dynamic; stringX is static length.
         return ETH_PADDING * 2;
     return 0;
 };