diff --git a/src/create_pcid.c b/src/create_pcid.c
index 1b08215bc22b6d05260ac2ba526223c29de62bab..2e94d285619905ec1783da2cdd7d94f540c73a5c 100644
--- a/src/create_pcid.c
+++ b/src/create_pcid.c
@@ -379,6 +379,11 @@ static int32_t GetPriSyscap(PCIDMain *pcidMain, cJSON *sysCapObject, int32_t con
     char *tempPriSyscapStr = priSyscapStr;
     char *ptrPrivateSyscap = (char *)(pcidMain + 1);
     while (*ptrPrivateSyscap != '\0') {
+        size_t currentLen = tempPriSyscapStr - priSyscapStr;
+        if (currentLen >= SINGLE_SYSCAP_LEN - 1) {
+            printf("Syscap name exceeds maximum length\n");
+            return GetPriSyscapResult(capVectorPtr, -1);
+        }
         size_t currentLen = tempPriSyscapStr - priSyscapStr;
         if (currentLen >= SINGLE_SYSCAP_LEN - 1) {
             printf("Syscap name exceeds maximum length\n");