diff --git a/intern/ghost/intern/GHOST_SystemX11.cpp b/intern/ghost/intern/GHOST_SystemX11.cpp
index 6d948b2135f..fb56824d801 100644
--- a/intern/ghost/intern/GHOST_SystemX11.cpp
+++ b/intern/ghost/intern/GHOST_SystemX11.cpp
@@ -140,6 +140,8 @@ GHOST_SystemX11(
 #undef GHOST_INTERN_ATOM
 
 	m_last_warp = 0;
+	m_last_release_keycode = 0;
+	m_last_release_time = 0;
 
 	/* compute the initial time */
 	timeval tv;