diff --git a/backend/beh.c b/backend/beh.c

index 225fd27..5e9cee0 100644

--- a/backend/beh.c

+++ b/backend/beh.c

@@ -22,6 +22,7 @@

 #include "backend-private.h"

 #include <cups/array.h>

 #include <ctype.h>

+#include <sys/wait.h>

 /*

  * Local globals...

@@ -213,10 +214,14 @@ call_backend(char *uri,                 /* I - URI of final destination */

 	     char **argv,		/* I - Command-line arguments */

 	     char *filename) {          /* I - File name of input data */

   const char	*cups_serverbin;	/* Location of programs */

+  char          *backend_argv[8];       // Arguments for called CUPS backend

   char		scheme[1024],           /* Scheme from URI */

                 *ptr,			/* Pointer into scheme */

-		cmdline[65536];		/* Backend command line */

-  int           retval;

+		backend_path[2048];	// Backend path

+  int           pid,

+                wait_pid,

+                wait_status,

+                retval = 0;

  /*

   * Build the backend command line...

@@ -235,16 +240,19 @@ call_backend(char *uri,                 /* I - URI of final destination */

     fprintf(stderr,

 	    "ERROR: beh: Direct output into a file not supported.\n");

     exit (CUPS_BACKEND_FAILED);

-  } else

-    snprintf(cmdline, sizeof(cmdline),

-	     "%s/backend/%s '%s' '%s' '%s' '%s' '%s' %s",

-	     cups_serverbin, scheme, argv[1], argv[2], argv[3],

-	     /* Apply number of copies only if beh was called with a

-		file name and not with the print data in stdin, as

-	        backends should handle copies only if they are called

-	        with a file name */

-	     (argc == 6 ? "1" : argv[4]),

-	     argv[5], filename);

+  }

+

+  backend_argv[0] = uri;

+  backend_argv[1] = argv[1];

+  backend_argv[2] = argv[2];

+  backend_argv[3] = argv[3];

+  backend_argv[4] = (argc == 6 ? "1" : argv[4]);

+  backend_argv[5] = argv[5];

+  backend_argv[6] = filename;

+  backend_argv[7] = NULL;

+

+  snprintf(backend_path, sizeof(backend_path),

+	   "%s/backend/%s", cups_serverbin, scheme);

  /*

   * Overwrite the device URI and run the actual backend...

@@ -253,17 +261,41 @@ call_backend(char *uri,                 /* I - URI of final destination */

   setenv("DEVICE_URI", uri, 1);

   fprintf(stderr,

-	  "DEBUG: beh: Executing backend command line \"%s\"...\n",

-	  cmdline);

+	  "DEBUG: beh: Executing backend command line \"%s '%s' '%s' '%s' '%s' '%s'%s%s\"...\n",

+	  backend_path, backend_argv[1], backend_argv[2], backend_argv[3],

+	  backend_argv[4], backend_argv[5],

+	  (backend_argv[6] && backend_argv[6][0] ? " " : ""),

+	  (backend_argv[6] && backend_argv[6][0] ? backend_argv[6] : ""));

   fprintf(stderr,

 	  "DEBUG: beh: Using device URI: %s\n",

 	  uri);

-  retval = system(cmdline) >> 8;

+  if ((pid = fork()) == 0)

+  {

+    retval = execv(backend_path, backend_argv);

+

+    if (retval == -1)

+      fprintf(stderr, "ERROR: Unable to execute backend: %s\n",

+	      strerror(errno));

+    exit (CUPS_BACKEND_FAILED);

+  }

+  else if (pid < 0)

+  {

+    fprintf(stderr, "ERROR: Unable to fork for backend\n");

+    return (CUPS_BACKEND_FAILED);

+  }

+

+  while ((wait_pid = wait(&wait_status)) < 0 && errno == EINTR);

-  if (retval == -1)

-    fprintf(stderr, "ERROR: Unable to execute backend command line: %s\n",

-	    strerror(errno));

+  if (wait_pid >= 0 && wait_status)

+  {

+    if (WIFEXITED(wait_status))

+      retval = WEXITSTATUS(wait_status);

+    else if (WTERMSIG(wait_status) != SIGTERM)

+      retval = WTERMSIG(wait_status);

+    else

+      retval = 0;

+  }

   return (retval);

 }