diff --git a/tests/gnrc_netif/tests/01-run.py b/tests/gnrc_netif/tests/01-run.py
index 7259c3fb89..2a1aa3faca 100755
--- a/tests/gnrc_netif/tests/01-run.py
+++ b/tests/gnrc_netif/tests/01-run.py
@@ -81,7 +81,8 @@ def testfunc(child):
     child.expect("PKTDUMP: data received:")
     child.expect(r"~~ SNIP  0 - size:   0 byte, type: NETTYPE_UNDEF \(0\)")
     child.expect(r"00000000~~ SNIP  1 - size:  \d+ byte, type: NETTYPE_NETIF \(-1\)")
-    child.expect(r"if_pid: \d+  rssi: -?\d+  lqi: \d+")
+    child.expect(r"if_pid: (\d+)  rssi: -?\d+  lqi: \d+")
+    assert 0 < int(child.match.group(1))
     child.expect("flags: 0x0")
     child.expect("src_l2addr: 3E:E6:B5:22:FD:0B")
     child.expect("dst_l2addr: 3E:E6:B5:22:FD:0A")
@@ -91,7 +92,8 @@ def testfunc(child):
     child.expect("PKTDUMP: data received:")
     child.expect(r"~~ SNIP  0 - size:   0 byte, type: NETTYPE_UNDEF \(0\)")
     child.expect(r"00000000~~ SNIP  1 - size:  \d+ byte, type: NETTYPE_NETIF \(-1\)")
-    child.expect(r"if_pid: \d+  rssi: -?\d+  lqi: \d+")
+    child.expect(r"if_pid: (\d+)  rssi: -?\d+  lqi: \d+")
+    assert 0 < int(child.match.group(1))
     child.expect("flags: 0x0")
     child.expect("src_l2addr: 3E:E6:B5:0F:19:22:FD:0B")
     child.expect("dst_l2addr: 3E:E6:B5:0F:19:22:FD:0A")
@@ -102,7 +104,8 @@ def testfunc(child):
     child.expect(r"~~ SNIP  0 - size:   4 byte, type: NETTYPE_UNDEF \(0\)")
     child.expect("00000000  12  34  45  56")
     child.expect(r"~~ SNIP  1 - size:  \d+ byte, type: NETTYPE_NETIF \(-1\)")
-    child.expect(r"if_pid: \d+  rssi: -?\d+  lqi: \d+")
+    child.expect(r"if_pid: (\d+)  rssi: -?\d+  lqi: \d+")
+    assert 0 < int(child.match.group(1))
     child.expect("flags: 0x0")
     child.expect("src_l2addr: 3E:E6:B5:22:FD:0B")
     child.expect("dst_l2addr: 3E:E6:B5:22:FD:0A")
@@ -113,7 +116,8 @@ def testfunc(child):
     child.expect(r"~~ SNIP  0 - size:   4 byte, type: NETTYPE_UNDEF \(0\)")
     child.expect("00000000  12  34  45  56")
     child.expect(r"~~ SNIP  1 - size:  \d+ byte, type: NETTYPE_NETIF \(-1\)")
-    child.expect(r"if_pid: \d+  rssi: -?\d+  lqi: \d+")
+    child.expect(r"if_pid: (\d+)  rssi: -?\d+  lqi: \d+")
+    assert 0 < int(child.match.group(1))
     child.expect("flags: 0x0")
     child.expect("src_l2addr: 3E:E6:B5:0F:19:22:FD:0B")
     child.expect("dst_l2addr: 3E:E6:B5:0F:19:22:FD:0A")
@@ -130,7 +134,8 @@ def testfunc(child):
     child.expect("source address: fe80::3fe6:b5ff:fe22:fd0a")
     child.expect("destination address: fe80::3fe6:b5ff:fe22:fd0b")
     child.expect(r"~~ SNIP  1 - size:  \d+ byte, type: NETTYPE_NETIF \(-1\)")
-    child.expect(r"if_pid: \d+  rssi: -?\d+  lqi: \d+")
+    child.expect(r"if_pid: (\d+)  rssi: -?\d+  lqi: \d+")
+    assert 0 < int(child.match.group(1))
     child.expect("flags: 0x0")
     child.expect("src_l2addr: 3E:E6:B5:22:FD:0B")
     child.expect("dst_l2addr: 3E:E6:B5:22:FD:0A")