diff --git a/src_main/system/piprocess.cpp b/src_main/system/piprocess.cpp
index b0699c1b..659de9c3 100755
--- a/src_main/system/piprocess.cpp
+++ b/src_main/system/piprocess.cpp
@@ -172,7 +172,7 @@ void PIProcess::startProc(bool detached) {
 
 		//cout << "exec " << tf_in << ", " << tf_out << ", " << tf_err << endl;
 		if (execve(str.data(), a, e) < 0)
-			piCoutObj << "\"execve" << str << a <<  << "\" error :" << errorString();
+			piCoutObj << "\"execve" << str << a << "\" error :" << errorString();
 	} else {
 		msleep(1);
 		//cout << "wait" << endl;