diff --git a/src/eGLock.erl b/src/eGLock.erl
index d59a905..785aeda 100644
--- a/src/eGLock.erl
+++ b/src/eGLock.erl
@@ -278,13 +278,14 @@ transaction(EtsTabKeys, MFAOrFun, TimeOut) ->
 			try
 				EtsTabValue = #{OneGetKey => getEtsTabValue(OneEtsTab, OneKey, OneDefValue) || {OneEtsTab, OneKey} = OneGetKey := OneDefValue <- KeysMap},
 				case transactionApply(MFAOrFun, EtsTabValue) of
-					{ok, Ret, ChangeEtsTab} ->
-						[changeEtsTabValue(OneEtsTab, OneKey, ChangeValue) || {OneEtsTab, OneKey} := ChangeValue <- ChangeEtsTab],
+					{alterTab, AlterTab} ->
+						[changeEtsTabValue(OneEtsTab, OneKey, ChangeValue) || {OneEtsTab, OneKey} := ChangeValue <- AlterTab],
+						ok;
+					{alterTab, Ret, AlterTab} ->
+						[changeEtsTabValue(OneEtsTab, OneKey, ChangeValue) || {OneEtsTab, OneKey} := ChangeValue <- AlterTab],
 						Ret;
-					{ok, Ret} ->
-						Ret;
-					{error, Err} ->
-						Err
+					OtherRet ->
+						OtherRet
 				end
 			catch
 				throw:Throw -> Throw;