diff --git a/src_main/core/pibytearray.cpp b/src_main/core/pibytearray.cpp
index 0549d4fd..e7a6c489 100755
--- a/src_main/core/pibytearray.cpp
+++ b/src_main/core/pibytearray.cpp
@@ -372,3 +372,19 @@ std::ostream &operator <<(std::ostream & s, const PIByteArray & ba) {
 	return s;
 }
 #endif
+
+
+PIByteArray & operator >>(PIByteArray & s, PIByteArray & v) {
+	assert(s.size_s() >= 4);
+	int sz; s >> sz;
+	if (sz > s.size_s()) {
+		piCout << "[PIByteArray] Warning: operator >> wants too much data, discard!";
+		s.clear();
+		v.clear();
+		return s;
+	}
+	v.resize(sz);
+	if (sz > 0) memcpy(v.data(), s.data(), v.size());
+	s.remove(0, v.size());
+	return s;
+}
diff --git a/src_main/core/pibytearray.h b/src_main/core/pibytearray.h
index c00fd650..d8047884 100755
--- a/src_main/core/pibytearray.h
+++ b/src_main/core/pibytearray.h
@@ -209,17 +209,7 @@ inline PIByteArray & operator >>(PIByteArray & s, ldouble & v) {assert(s.size()
 //! \relatesalso PIByteArray \brief Restore operator
 template<typename T> inline PIByteArray & operator >>(PIByteArray & s, PIFlags<T> & v) {PBA_OPERATOR_FROM return s;}
 //! \relatesalso PIByteArray \brief Restore operator, see \ref PIByteArray_sec1 for details
-inline PIByteArray & operator >>(PIByteArray & s, PIByteArray & v) {
-	assert(s.size_s() >= 4);
-	int sz; s >> sz;
-	if (sz > s.size_s()) {
-		piCout << "[PIByteArray] Warning: operator >> want too much data!";
-		sz = s.size_s();
-	}
-	v.resize(sz);
-	if (sz > 0) memcpy(v.data(), s.data(), v.size());
-	s.remove(0, v.size());
-	return s;}
+PIByteArray & operator >>(PIByteArray & s, PIByteArray & v);
 //! \relatesalso PIByteArray \brief Restore operator, see \ref PIByteArray_sec1 for details
 inline PIByteArray & operator >>(PIByteArray & s, PIByteArray::RawData v) {assert(s.size_s() >= v.s); if (v.s > 0) memcpy((void*)(v.d), s.data(), v.s); s.remove(0, v.s); return s;}