diff --git a/lib/nodes/exec.cpp b/lib/nodes/exec.cpp
index a2e902f26..f7ca0c4d7 100644
--- a/lib/nodes/exec.cpp
+++ b/lib/nodes/exec.cpp
@@ -232,7 +232,7 @@ int exec_write(struct vnode *n, struct sample *smps[], unsigned cnt, unsigned *r
 	if (e->flush)
 		e->proc->cout().flush();
 
-	delete line;
+	delete[] line;
 
 	return cnt;
 }
diff --git a/lib/nodes/opal.cpp b/lib/nodes/opal.cpp
index d333da439..e52a1f0d0 100644
--- a/lib/nodes/opal.cpp
+++ b/lib/nodes/opal.cpp
@@ -128,8 +128,8 @@ int opal_print_global()
 {
 	debug(LOG_OPAL | 2, "Controller ID: %u", params.controllerID);
 
-	auto *sbuf = new char[send_icons * 5];
-	auto *rbuf = new char[recv_icons * 5];
+	auto *sbuf = new (std::nothrow) char[send_icons * 5];
+	auto *rbuf = new (std::nothrow) char[recv_icons * 5];
 
 	if (!sbuf || !rbuf)
 		throw MemoryAllocationError();