diff --git a/src/FileUtils.cpp b/src/FileUtils.cpp
index 1ac172ba..784d81ae 100644
--- a/src/FileUtils.cpp
+++ b/src/FileUtils.cpp
@@ -645,6 +645,9 @@ int CExecSock::popen2(int& iReadFD, int& iWriteFD, const CString& sCommand) {
     }
 
     if (iPid == 0) {
+        sigset_t signals;
+        sigemptyset(&signals);
+        sigprocmask(SIG_SETMASK, &signals, nullptr);
         close(wpipes[1]);
         close(rpipes[0]);
         dup2(wpipes[0], 0);