diff -rup argyllcms-0.70.orig/numlib/numsup.c argyllcms-0.70.new/numlib/numsup.c
--- lprof/src/argyll/numlib/numsup.c	2007-12-12 13:27:33.000000000 -0500
+++ lprof/src/argyll/numlib/numsup.c	2007-12-12 13:28:01.000000000 -0500
@@ -132,7 +132,7 @@ void set_exe_path(char *argv0) {
 	for (i = strlen(exe_path)-1; i >= 0; i--) {
 		if (exe_path[i] == '/') {
 			char *tpath;
-			if ((tpath = malloc(sizeof(exe_path + i))) == NULL)
+			if ((tpath = malloc(strlen(exe_path + i))) == NULL)
 				error("set_exe_path: malloc %d bytes failed",sizeof(exe_path + i));
 			strcpy(tpath, exe_path + i + 1);
 			error_program = tpath;				/* Set error_program to base name */