diff --git a/src/lib/HelperMacX.cpp b/src/lib/HelperMacX.cpp
index c1d1abe..030de38 100644
--- a/src/lib/HelperMacX.cpp
+++ b/src/lib/HelperMacX.cpp
@@ -108,9 +108,8 @@ OSType HelperMacX::getProcessSignature(pid_t pid){
 	OSErr err;
 	ProcessSerialNumber processSerialNumber;
 	ProcessInfoRec processInfoRec;
+	memset(&processInfoRec, 0, sizeof(processInfoRec));
 	processInfoRec.processInfoLength = sizeof(processInfoRec);
-	processInfoRec.processAppSpec = NULL;
-	processInfoRec.processName = NULL;
 	err = GetProcessForPID(pid, &processSerialNumber);
 	if (noErr != err) {
 		qWarning("HelperMacX::getProcessSignature: GetProcessForPID error for pid %d: %d", pid, err);
diff --git a/src/lib/random.h b/src/lib/random.h
index 636da72..06dddd8 100644
--- a/src/lib/random.h
+++ b/src/lib/random.h
@@ -20,6 +20,10 @@
 #ifndef RANDOM_H_
 #define RANDOM_H_
 
+#ifndef _WIN32
+#include <unistd.h> // for getpid()
+#endif
+
 #ifndef quint8
 typedef unsigned char quint8;
 #endif