diff --git a/src/NetworkManagerUtils.c b/src/NetworkManagerUtils.c
index 03a3ec2e8f..ad2e7c6b33 100644
--- a/src/NetworkManagerUtils.c
+++ b/src/NetworkManagerUtils.c
@@ -1862,7 +1862,7 @@ monotonic_timestamp_get (struct timespec *tp)
 gint64
 nm_utils_get_monotonic_timestamp_ns (void)
 {
-	struct timespec tp;
+	struct timespec tp = { 0 };
 
 	monotonic_timestamp_get (&tp);
 
@@ -1889,7 +1889,7 @@ nm_utils_get_monotonic_timestamp_ns (void)
 gint64
 nm_utils_get_monotonic_timestamp_us (void)
 {
-	struct timespec tp;
+	struct timespec tp = { 0 };
 
 	monotonic_timestamp_get (&tp);
 
@@ -1916,7 +1916,7 @@ nm_utils_get_monotonic_timestamp_us (void)
 gint64
 nm_utils_get_monotonic_timestamp_ms (void)
 {
-	struct timespec tp;
+	struct timespec tp = { 0 };
 
 	monotonic_timestamp_get (&tp);
 
@@ -1943,7 +1943,7 @@ nm_utils_get_monotonic_timestamp_ms (void)
 gint32
 nm_utils_get_monotonic_timestamp_s (void)
 {
-	struct timespec tp;
+	struct timespec tp = { 0 };
 
 	monotonic_timestamp_get (&tp);
 	return (((gint64) tp.tv_sec) + monotonic_timestamp_offset_sec);