diff --git a/Source/IO/FS/FileAdvisory.Unix.cpp b/Source/IO/FS/FileAdvisory.Unix.cpp
index c55c83d4..8cb0aa24 100644
--- a/Source/IO/FS/FileAdvisory.Unix.cpp
+++ b/Source/IO/FS/FileAdvisory.Unix.cpp
@@ -109,7 +109,7 @@ namespace Aurora::IO::FS
         }
 
         int fd = (int)opt.ValueOr((int)-1);
-        if (opt == -1)
+        if (fd == -1)
         {
             SysPushErrorIOResourceRejected();
             return false;
@@ -155,7 +155,7 @@ namespace Aurora::IO::FS
         }
 
         int fd = (int)opt.ValueOr((int)-1);
-        if (opt == -1)
+        if (fd == -1)
         {
             SysPushErrorIOResourceRejected();
             return false;
diff --git a/Source/Processes/AuProcess.Unix.cpp b/Source/Processes/AuProcess.Unix.cpp
index 9d8ddd51..861c5899 100644
--- a/Source/Processes/AuProcess.Unix.cpp
+++ b/Source/Processes/AuProcess.Unix.cpp
@@ -624,21 +624,25 @@ namespace Aurora::Processes
             if (pid == 0)
             {
                 this->ForkMain();
+                SysPanic();
                 return false;
             }
             else if (pid > 0)
             {
-                if (pipeStdOut_[1])
+                if (pipeStdOut_[1] &&
+                    pipeStdOut_[1] != -1)
                 {
                     ::close(AuExchange(pipeStdOut_[1], 0));
                 }
 
-                if (pipeStdErr_[1])
+                if (pipeStdErr_[1] &&
+                    pipeStdErr_[1] != -1)
                 {
                     ::close(AuExchange(pipeStdErr_[1], 0));
                 }
 
-                if (pipeStdIn_[0])
+                if (pipeStdIn_[0] &&
+                    pipeStdIn_[0] != -1)
                 {
                     ::close(AuExchange(pipeStdIn_[0], 0));
                 }