diff --git a/src/kernel/libroot/posix/string/Jamfile b/src/kernel/libroot/posix/string/Jamfile
index d7914d6521..30c65d37ac 100644
--- a/src/kernel/libroot/posix/string/Jamfile
+++ b/src/kernel/libroot/posix/string/Jamfile
@@ -10,6 +10,7 @@ KernelMergeObject posix_string.o :
 	<$(SOURCE_GRIST)>strcasestr.c
 	<$(SOURCE_GRIST)>strcat.c
 	<$(SOURCE_GRIST)>strchr.c
+	<$(SOURCE_GRIST)>strchrnul.c
 	<$(SOURCE_GRIST)>strcmp.c
 	<$(SOURCE_GRIST)>strcpy.c
 	<$(SOURCE_GRIST)>strcspn.c
diff --git a/src/kernel/libroot/posix/string/strchrnul.c b/src/kernel/libroot/posix/string/strchrnul.c
new file mode 100644
index 0000000000..7e161009b3
--- /dev/null
+++ b/src/kernel/libroot/posix/string/strchrnul.c
@@ -0,0 +1,19 @@
+/* 
+** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+#include <sys/types.h>
+#include <string.h>
+
+
+char *
+strchrnul(const char *string, int c)
+{
+	while (string[0] != (char)c && string[0])
+		string++;
+
+	return (char *)string;
+}
+