diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp
index 57d4f8e4a4..3d8867b551 100644
--- a/src/test/transaction_tests.cpp
+++ b/src/test/transaction_tests.cpp
@@ -53,7 +53,7 @@ static std::map<std::string, unsigned int> mapFlagNames = {
 
 unsigned int ParseScriptFlags(std::string strFlags)
 {
-    if (strFlags.empty() | strFlags == "NONE") return 0;
+    if (strFlags.empty() || strFlags == "NONE") return 0;
     unsigned int flags = 0;
     std::vector<std::string> words = SplitString(strFlags, ',');