diff --git a/src/detection/terminalshell/terminalshell_linux.c b/src/detection/terminalshell/terminalshell_linux.c
index 1366ae686..02a86baa9 100644
--- a/src/detection/terminalshell/terminalshell_linux.c
+++ b/src/detection/terminalshell/terminalshell_linux.c
@@ -86,7 +86,7 @@ static void getProcessInformation(pid_t pid, FFstrbuf* processName, FFstrbuf* ex
         args, &size,
         NULL, 0
     ) == 0)
-        ffStrbufSetS(exePath, args);
+        ffStrbufSetNS(exePath, (uint32_t) (size - 1), args);
 
     size = ARG_MAX;
     if(sysctl(
diff --git a/src/util/platform/FFPlatform_unix.c b/src/util/platform/FFPlatform_unix.c
index f224c84eb..7500261a4 100644
--- a/src/util/platform/FFPlatform_unix.c
+++ b/src/util/platform/FFPlatform_unix.c
@@ -33,7 +33,7 @@ static void getExePath(FFPlatform* platform)
             exePathLen = 0;
     #endif
     if (exePathLen > 0)
-        exePath->length = (uint32_t) exePathLen;
+        exePath->length = (uint32_t) (exePathLen - 1);
 }
 
 static void platformPathAddEnv(FFlist* dirs, const char* env)