diff --git a/libs/main/io_devices/pisharedmemory.cpp b/libs/main/io_devices/pisharedmemory.cpp
index c50ea67d..6577b5dc 100644
--- a/libs/main/io_devices/pisharedmemory.cpp
+++ b/libs/main/io_devices/pisharedmemory.cpp
@@ -144,6 +144,9 @@ bool PISharedMemory::openDevice() {
 	::close(fd);
 	if (PRIVATE->data == MAP_FAILED) {
 		piCoutObj << "mmap error," << errorString();
+		if (PRIVATE->owner) shm_unlink((const char *)PRIVATE->name.data());
+		PRIVATE->data  = nullptr;
+		PRIVATE->owner = false;
 		return false;
 	}
 	// piCoutObj << "opened" << PRIVATE->data;