diff --git a/app/src/main/jni/core/capture_libpcap.c b/app/src/main/jni/core/capture_libpcap.c
index fdc5eaf8..0cfa2356 100644
--- a/app/src/main/jni/core/capture_libpcap.c
+++ b/app/src/main/jni/core/capture_libpcap.c
@@ -161,11 +161,10 @@ static int connectPcapd(pcapdroid_t *pd) {
         log_d("BPF filter is in use");
     }
 
-#ifdef ANDROID
     if(pd->pcap_file_capture) {
         // must be a file path
         if(access(pd->pcap.capture_interface, F_OK)) {
-            log_f("The specified PCAP file does not exist");
+            log_f("The specified PCAP file does not exist: %s", pd->pcap.capture_interface);
             goto cleanup;
         }
     } else {
@@ -175,7 +174,6 @@ static int connectPcapd(pcapdroid_t *pd) {
             goto cleanup;
         }
     }
-#endif
 
     // Start the daemon
     char args[256];
diff --git a/app/src/main/jni/pcapd/pcapd_priv.h b/app/src/main/jni/pcapd/pcapd_priv.h
index 5e85550e..0ddaf774 100644
--- a/app/src/main/jni/pcapd/pcapd_priv.h
+++ b/app/src/main/jni/pcapd/pcapd_priv.h
@@ -23,6 +23,8 @@
 #include <stdint.h>
 #include <net/if.h>
 #include <pcap.h>
+#include <linux/limits.h>
+
 #include "nl_utils.h"
 #include "common/uid_lru.h"
 #include "common/uid_resolver.h"
diff --git a/app/src/main/jni/tests/CMakeLists.txt b/app/src/main/jni/tests/CMakeLists.txt
index 73b30665..ea17b44e 100644
--- a/app/src/main/jni/tests/CMakeLists.txt
+++ b/app/src/main/jni/tests/CMakeLists.txt
@@ -1,5 +1,5 @@
-project(tests)
 cmake_minimum_required(VERSION 3.18.1)
+project(tests)
 
 option(FUZZING "Build for Fuzz Testing" OFF)
 
diff --git a/app/src/main/jni/tests/test/CMakeLists.txt b/app/src/main/jni/tests/test/CMakeLists.txt
index efc8b5e9..037ab3a1 100644
--- a/app/src/main/jni/tests/test/CMakeLists.txt
+++ b/app/src/main/jni/tests/test/CMakeLists.txt
@@ -26,9 +26,9 @@ add_test(NAME blacklist_match COMMAND ./blacklist match)
 add_test(NAME blacklist_detection COMMAND ./blacklist detection)
 
 test_source(dump_api)
-#~ add_test(NAME dump_api_snaplen COMMAND ./dump_api snaplen)
+add_test(NAME dump_api_snaplen COMMAND ./dump_api snaplen)
 add_test(NAME dump_api_max_pkts_flow COMMAND ./dump_api max_pkts_per_flow)
-#~ add_test(NAME dump_api_max_size COMMAND ./dump_api max_dump_size)
+add_test(NAME dump_api_max_size COMMAND ./dump_api max_dump_size)
 
-#~ test_source(root_capture)
-#~ add_test(NAME root_capture COMMAND ./root_capture invalid_pkts)
+test_source(root_capture)
+add_test(NAME root_capture COMMAND ./root_capture invalid_pkts)
diff --git a/app/src/main/jni/tests/test/dump_api.c b/app/src/main/jni/tests/test/dump_api.c
index 8dba6ddb..637b861f 100644
--- a/app/src/main/jni/tests/test/dump_api.c
+++ b/app/src/main/jni/tests/test/dump_api.c
@@ -91,7 +91,7 @@ static void max_pkts_per_flow() {
     src_ip = pkt.tuple.src_ip;
     dst_ip = pkt.tuple.dst_ip;
 
-    remote_ip = (zdtun_cmp_ip(4, &pkt.tuple.src_ip, &local_ip) == 0) ?
+    remote_ip = (zdtun_cmp_ip(4, &src_ip, &local_ip) == 0) ?
         &dst_ip : &src_ip;
 
 #if 0
diff --git a/app/src/main/jni/tests/test_utils.c b/app/src/main/jni/tests/test_utils.c
index 6ec4725c..40de5c8d 100644
--- a/app/src/main/jni/tests/test_utils.c
+++ b/app/src/main/jni/tests/test_utils.c
@@ -86,6 +86,7 @@ pcapdroid_t* pd_init_test(const char *ifname) {
   assert(pd != NULL);
 
   pd->vpn_capture = false;
+  pd->pcap_file_capture = true;
   pd->pcap.capture_interface = (char*) ifname;
   pd->pcap.as_root = false;   // don't run as root
   pd->app_filter = -1;        // don't filter