diff --git a/src/swtpm/cuse_tpm.c b/src/swtpm/cuse_tpm.c
index d979286..1228858 100644
--- a/src/swtpm/cuse_tpm.c
+++ b/src/swtpm/cuse_tpm.c
@@ -128,7 +128,7 @@
 /* how many times to retry locking; use for fallback after releasing
    the lock on outgoing migration. */
 static unsigned int g_locking_retries;
-#define DEFAULT_LOCKING_RETRIES  100
+#define DEFAULT_LOCKING_RETRIES  300 /* 300 * 10ms */
 
 #if GLIB_MAJOR_VERSION >= 2
 # if GLIB_MINOR_VERSION >= 32
diff --git a/src/swtpm/mainloop.h b/src/swtpm/mainloop.h
index a14a8aa..51b89a5 100644
--- a/src/swtpm/mainloop.h
+++ b/src/swtpm/mainloop.h
@@ -71,7 +71,7 @@
     /* how many times to retry locking; use for fallback after releasing
        the lock on outgoing migration. */
     unsigned int locking_retries;
-#define DEFAULT_LOCKING_RETRIES  100
+#define DEFAULT_LOCKING_RETRIES  300 /* 300 * 10ms */
 };
 
 int mainLoop(struct mainLoopParams *mlp,