diff --git a/cfg/std.cfg b/cfg/std.cfg
index ea6be2cc7..c69495d21 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -2186,6 +2186,7 @@
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>
+      <valid>0:2</valid>
     </arg>
   </function>
   <!-- int fsetpos(FILE *stream, const fpos_t *ptr); -->
diff --git a/test/cfg/std.cpp b/test/cfg/std.cpp
index 94329f860..5aeebcab2 100644
--- a/test/cfg/std.cpp
+++ b/test/cfg/std.cpp
@@ -1231,6 +1231,23 @@ void uninitvar_fseek(void)
     (void)std::fseek(stream,offset,origin);
 }
 
+void invalidFunctionArg_fseek(FILE* stream, long int offset, int origin)
+{
+    // cppcheck-suppress invalidFunctionArg
+    (void)std::fseek(stream, offset, -1);
+    // cppcheck-suppress invalidFunctionArg
+    (void)std::fseek(stream, offset, 3);
+    // cppcheck-suppress invalidFunctionArg
+    (void)std::fseek(stream, offset, 42+SEEK_SET);
+    // cppcheck-suppress invalidFunctionArg
+    (void)std::fseek(stream, offset, SEEK_SET+42);
+    // No warning is expected for
+    (void)std::fseek(stream, offset, origin);
+    (void)std::fseek(stream, offset, SEEK_SET);
+    (void)std::fseek(stream, offset, SEEK_CUR);
+    (void)std::fseek(stream, offset, SEEK_END);
+}
+
 void uninitvar_fsetpos(void)
 {
     FILE* stream;