diff --git a/src/fsfw/cfdp/definitions.h b/src/fsfw/cfdp/definitions.h
index adab1d0f..af204f51 100644
--- a/src/fsfw/cfdp/definitions.h
+++ b/src/fsfw/cfdp/definitions.h
@@ -158,6 +158,53 @@ enum class ProxyOpMessageType : uint8_t {
   CLOSURE = 0x0b
 };
 
+static inline const char* conditionCodeString(ConditionCode code) {
+  switch (code) {
+    case (ConditionCode::NO_ERROR): {
+      return "No Error";
+    }
+    case (ConditionCode::POSITIVE_ACK_LIMIT_REACHED): {
+      return "Positive ACK limit reached";
+    }
+    case (ConditionCode::KEEP_ALIVE_LIMIT_REACHED): {
+      return "Keep alive limit reached";
+    }
+    case (ConditionCode::INVALID_TRANSMISSION_MODE): {
+      return "Invalid transmission mode";
+    }
+    case (ConditionCode::FILESTORE_REJECTION): {
+      return "Filestore rejection";
+    }
+    case (ConditionCode::FILE_CHECKSUM_FAILURE): {
+      return "File checksum failure";
+    }
+    case (ConditionCode::FILE_SIZE_ERROR): {
+      return "File size error";
+    }
+    case (ConditionCode::NAK_LIMIT_REACHED): {
+      return "NAK limit reached";
+    }
+    case (ConditionCode::INACTIVITY_DETECTED): {
+      return "Inactivity detected";
+    }
+    case (ConditionCode::CHECK_LIMIT_REACHED): {
+      return "Check limit reached";
+    }
+    case (ConditionCode::UNSUPPORTED_CHECKSUM_TYPE): {
+      return "Unsupported checksum type";
+    }
+    case (ConditionCode::SUSPEND_REQUEST_RECEIVED): {
+      return "Suspend request received";
+    }
+    case (ConditionCode::CANCEL_REQUEST_RECEIVED): {
+      return "Cancel request received";
+    }
+    default: {
+      return "Invalid condition code value";
+    }
+  }
+}
+
 }  // namespace cfdp
 
 #endif /* FSFW_SRC_FSFW_CFDP_PDU_DEFINITIONS_H_ */