diff --git a/libs/libarchopenfpga/src/config_protocol.cpp b/libs/libarchopenfpga/src/config_protocol.cpp
index fc3a43d95..848bc9011 100644
--- a/libs/libarchopenfpga/src/config_protocol.cpp
+++ b/libs/libarchopenfpga/src/config_protocol.cpp
@@ -259,6 +259,9 @@ void ConfigProtocol::set_wl_num_banks(const size_t& num_banks) {
  ***********************************************************************/
 int ConfigProtocol::validate_ccff_prog_clocks() const {
   int num_err = 0;
+  if (prog_clock_pins().empty()) {
+    return num_err;
+  }
   /* Initialize scoreboard */
   std::vector<int> ccff_head_scoreboard(num_regions(), 0);
   for (openfpga::BasicPort port : prog_clock_pins()) {
diff --git a/openfpga/src/utils/check_config_protocol.cpp b/openfpga/src/utils/check_config_protocol.cpp
index aba9a58d5..ebeec23bd 100644
--- a/openfpga/src/utils/check_config_protocol.cpp
+++ b/openfpga/src/utils/check_config_protocol.cpp
@@ -22,7 +22,7 @@ static int check_config_protocol_programming_clock(
   const ConfigProtocol& config_protocol, const CircuitLibrary& circuit_lib) {
   int num_err = 0;
   /* Programming clock is only available for CCFF */
-  if (config_protocol.type() == CONFIG_MEM_SCAN_CHAIN) {
+  if (config_protocol.type() != CONFIG_MEM_SCAN_CHAIN) {
     return num_err;
   }
   /* Must find a CCFF model */