diff --git a/devel/f77flow/Makefile b/devel/f77flow/Makefile
index dd50a880aa53..57eb73af748b 100644
--- a/devel/f77flow/Makefile
+++ b/devel/f77flow/Makefile
@@ -7,6 +7,7 @@
 
 PORTNAME=		f77flow
 PORTVERSION=		0.12
+PORTREVISION=		1
 CATEGORIES=		devel
 MASTER_SITES=		${MASTER_SITE_SUNSITE}
 MASTER_SITE_SUBDIR=	devel/lang/fortran
diff --git a/devel/f77flow/files/patch-ab b/devel/f77flow/files/patch-ab
index 3ad8b57600f5..21e557a666d2 100644
--- a/devel/f77flow/files/patch-ab
+++ b/devel/f77flow/files/patch-ab
@@ -1,6 +1,14 @@
 --- flow.c.orig	Wed Feb 19 08:45:20 1997
-+++ flow.c	Sun Mar 31 15:47:22 2002
-@@ -66,7 +66,7 @@
++++ flow.c	Sun May 11 22:14:03 2003
+@@ -20,6 +20,7 @@
+ /*  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.            */
+ /*************************************************************************/
+ 
++#include <stdlib.h>
+ #include <stdio.h>
+ #include <ctype.h>
+ #include <string.h>
+@@ -66,7 +67,7 @@
  
  FILE *CallFile=NULL;
  FILE *SubFile=NULL;
@@ -9,7 +17,7 @@
  
  char S_OUT[]="FLOW.SUBS"; /* file name where to print subroutines */
  char C_OUT[]="FLOW.CALL"; /* file name where to print call's */
-@@ -89,7 +89,7 @@
+@@ -89,7 +90,7 @@
  
  /* begin of main */
  
@@ -18,7 +26,7 @@
  
  {
  int k,d,i;
-@@ -100,6 +100,8 @@
+@@ -100,6 +101,8 @@
  long int Count_Lines=0;
  char PRG_Name[60];
  
@@ -27,7 +35,16 @@
  for (k=0; k<NO_SUB+1; k++) Subroutine[k].Call=0;
  for (k=0; k<NO_CALL; k++) Call[k].Call=0;
     Program.Call=0;
-@@ -303,6 +305,8 @@
+@@ -181,7 +184,7 @@
+                       /* An Error occured */
+                       printf("\nError with option -r");
+                       printf("\nMissing Name for starting SUBROUTINE");
+-                      exit;
++                      exit(2);
+                         }
+ 
+                      O_NEWSTART=1;
+@@ -303,6 +306,8 @@
     if (No_Main==0) Output_Result();
  
     if (O_OutFile) fclose(OUTFILE);
@@ -36,3 +53,12 @@
   
  }
  
+@@ -584,7 +589,7 @@
+       printf("  -W: A warning is given if a code line exceeds the\n");
+       printf("      length of 72 characters\n");
+       printf("\nFor further information see manual page flow(1).\n\n");
+-      exit();
++      exit(2);
+      }
+ 
+