diff --git a/src/Makefile.test.include b/src/Makefile.test.include
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -61,7 +61,7 @@
   test/multisig_tests.cpp \
   test/net_tests.cpp \
   test/netbase_tests.cpp \
-  test/op_code.cpp \
+  test/op_codes.cpp \
   test/pmt_tests.cpp \
   test/policyestimator_tests.cpp \
   test/pow_tests.cpp \
diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -38,7 +38,7 @@
 	multisig_tests.cpp
 	net_tests.cpp
 	netbase_tests.cpp
-	op_code.cpp
+	op_codes.cpp
 	pmt_tests.cpp
 	policyestimator_tests.cpp
 	pow_tests.cpp