diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 5592b2f66..217ac9a08 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -39,7 +39,7 @@ ADD_EXECUTABLE(jfjoch_portable_test EXCLUDE_FROM_ALL
         FFBIDXIndexerCPUTest.cpp
 )
 target_link_libraries(jfjoch_portable_test Catch2WithMain JFJochRugnux JFJochReader JFJochImageAnalysis
-                      JFJochWriter JFJochCommon)
+                      JFJochWriter JFJochAPIConvert JFJochCommon)
 target_include_directories(jfjoch_portable_test PRIVATE .)
 # Same device-link step as rugnux (see rugnux/CMakeLists.txt): a portable CUDA build links cuFFT statically.
 IF (JFJOCH_PORTABLE_ONLY AND JFJOCH_CUDA_AVAILABLE AND TARGET CUDA::cufft_static)