diff --git a/test_programs/GNUmakefile.68k b/test_programs/GNUmakefile.68k
index b91ece1..3c09e40 100644
--- a/test_programs/GNUmakefile.68k
+++ b/test_programs/GNUmakefile.68k
@@ -1,5 +1,5 @@
 #
-# $Id: GNUmakefile.68k,v 1.8 2005-08-26 12:21:51 obarthel Exp $
+# $Id: GNUmakefile.68k,v 1.9 2005-08-27 12:52:26 obarthel Exp $
 #
 # :ts=8
 #
@@ -48,12 +48,12 @@ LIBS = -lm -lc -lgcc
 
 all: test fgets_test iotest sscanf_test printf_test sprintf_test \
 	stack_size_test translate_test strtok_test uname simple \
-	fstat_stdout_test simple_sprintf date_test
+	fstat_stdout_test simple_sprintf date_test sscanf_64
 
 clean:
 	$(DELETE) #?.o #?.map test fgets_test iotest sscanf_test printf_test \
 		sprintf_test stack_size_test translate_test strtok_test uname \
-		simple fstat_stdout_test simple_sprintf date_test
+		simple fstat_stdout_test simple_sprintf date_test sscanf_64
 
 ##############################################################################
 
@@ -113,6 +113,10 @@ date_test : date_test.o
 	@echo "Linking $@"
 	$(CC) $(CFLAGS) -o $@ date_test.o $(LIBS) -Wl,--cref,-M,-Map=$@.map
 
+sscanf_64 : sscanf_64.o
+	@echo "Linking $@"
+	$(CC) $(CFLAGS) -o $@ sscanf_64.o $(LIBS) -Wl,--cref,-M,-Map=$@.map
+
 ##############################################################################
 
 mkid:
diff --git a/test_programs/GNUmakefile.os4 b/test_programs/GNUmakefile.os4
index a4404c3..8cb4e50 100644
--- a/test_programs/GNUmakefile.os4
+++ b/test_programs/GNUmakefile.os4
@@ -1,5 +1,5 @@
 #
-# $Id: GNUmakefile.os4,v 1.9 2005-08-26 12:21:51 obarthel Exp $
+# $Id: GNUmakefile.os4,v 1.10 2005-08-27 12:52:26 obarthel Exp $
 #
 # :ts=8
 #
@@ -40,12 +40,13 @@ LIBS = -lm -lc -ldebug -lgcc
 
 all: test fgets_test iotest sscanf_test printf_test sprintf_test \
 	stack_size_test translate_test strtok_test uname simple \
-	fstat_stdout_test simple_sprintf date_test
+	fstat_stdout_test simple_sprintf date_test sscanf_64
 
 clean:
 	$(DELETE) *.o *.map test fgets_test iotest sscanf_test printf_test \
 		sprintf_test stack_size_test translate_test strtok_test \
-		uname simple fstat_stdout_test simple_sprintf date_test
+		uname simple fstat_stdout_test simple_sprintf date_test \
+		sscanf_64
 
 ##############################################################################
 
@@ -104,3 +105,7 @@ fstat_stdout_test : fstat_stdout_test.o
 simple_sprintf : simple_sprintf.o
 	@echo "Linking $@"
 	$(CC) -nostdlib $(CFLAGS) -o $@ simple_sprintf.o -lc -lgcc -Wl,--cref,-M,-Map=$@.map
+
+sscanf_64 : sscanf_64.o
+	@echo "Linking $@"
+	$(CC) -nostdlib $(CFLAGS) -o $@ sscanf_64.o -lc -lgcc -Wl,--cref,-M,-Map=$@.map
diff --git a/test_programs/sscanf_64.c b/test_programs/sscanf_64.c
new file mode 100755
index 0000000..5addac6
--- /dev/null
+++ b/test_programs/sscanf_64.c
@@ -0,0 +1,22 @@
+#include <stdio.h>
+
+/*extern int __debug_level;*/
+
+int
+main (int argc, char **argv)
+{
+   long long int l;
+   char * arg;
+
+   /*__debug_level = 2;*/
+
+   if(argc > 1)
+     arg = argv[1];
+   else
+     arg = "123456789012";
+
+   sscanf (arg, "%lld", &l);
+   printf ("number = %lld = 0x%llX\n", l, l);
+
+   return(0);
+}