diff --git a/odbcapi.c b/odbcapi.c
index 2b4e5c63e3633bab46046d8a09290788f28a6ed3..268112a3781dc8aa76dba4cfb14199e440d3ce83 100644
--- a/odbcapi.c
+++ b/odbcapi.c
@@ -545,6 +545,12 @@ SQLNumResultCols(HSTMT StatementHandle,
 	if (SC_connection_lost_check(stmt, __FUNCTION__))
 		return SQL_ERROR;
 
+    if (!ColumnCount) {
+        SC_clear_error(stmt);
+        SC_set_error(stmt, STMT_INVALID_NULL_ARG, "The paramter ColumnCount pointer is required", __FUNCTION__);
+        return SQL_ERROR;
+    }
+
 	ENTER_STMT_CS(stmt);
 	SC_clear_error(stmt);
 	StartRollbackState(stmt);