diff --git a/src/iec61850/server/model/config_file_parser.c b/src/iec61850/server/model/config_file_parser.c
index 1029beb8..5989a661 100644
--- a/src/iec61850/server/model/config_file_parser.c
+++ b/src/iec61850/server/model/config_file_parser.c
@@ -208,7 +208,7 @@ ConfigFileParser_createModelFromConfigFile(FileHandle fileHandle)
                     else if (StringUtils_startsWith((char*) lineBuffer, "DS")) {
                         indendation = 4;
 
-                        sscanf((char*) lineBuffer, "DS(%s)", nameString);
+                        sscanf((char*) lineBuffer, "DS(%129s)", nameString);
                         terminateString(nameString, ')');
 
                         currentDataSet = DataSet_create(nameString, currentLN);