diff --git a/fs/Exfat.cpp b/fs/Exfat.cpp
index 5c15075..c624eb9 100644
--- a/fs/Exfat.cpp
+++ b/fs/Exfat.cpp
@@ -43,7 +43,7 @@
     cmd.push_back(kFsckPath);
     cmd.push_back(source);
 
-    int rc = ForkExecvp(cmd, sFsckUntrustedContext);
+    int rc = ForkExecvp(cmd, nullptr, sFsckUntrustedContext);
     if (rc == 0) {
         LOG(INFO) << "Check OK";
         return 0;
diff --git a/fs/Ext4.cpp b/fs/Ext4.cpp
index 806cfd1..0059233 100644
--- a/fs/Ext4.cpp
+++ b/fs/Ext4.cpp
@@ -117,7 +117,7 @@
         cmd.push_back(c_source);
 
         // ext4 devices are currently always trusted
-        return ForkExecvp(cmd, sFsckContext);
+        return ForkExecvp(cmd, nullptr, sFsckContext);
     }
 
     return 0;
diff --git a/fs/F2fs.cpp b/fs/F2fs.cpp
index c6e0f52..9517dc9 100644
--- a/fs/F2fs.cpp
+++ b/fs/F2fs.cpp
@@ -48,7 +48,7 @@
     cmd.push_back(source);
 
     // f2fs devices are currently always trusted
-    return ForkExecvp(cmd, sFsckContext);
+    return ForkExecvp(cmd, nullptr, sFsckContext);
 }
 
 status_t Mount(const std::string& source, const std::string& target) {
diff --git a/fs/Vfat.cpp b/fs/Vfat.cpp
index 7b833d1..14c42d6 100644
--- a/fs/Vfat.cpp
+++ b/fs/Vfat.cpp
@@ -67,7 +67,7 @@
         cmd.push_back(source);
 
         // Fat devices are currently always untrusted
-        rc = ForkExecvp(cmd, sFsckUntrustedContext);
+        rc = ForkExecvp(cmd, nullptr, sFsckUntrustedContext);
 
         if (rc < 0) {
             LOG(ERROR) << "Filesystem check failed due to logwrap error";