diff --git a/tests/server/CMakeLists.txt b/tests/server/CMakeLists.txt
index 5875027767..f88cbf634e 100644
--- a/tests/server/CMakeLists.txt
+++ b/tests/server/CMakeLists.txt
@@ -48,7 +48,7 @@ target_include_directories(${BUNDLE} PRIVATE
 # to build the servers.  In order to achieve proper linkage of these
 # files on Windows targets it is necessary to build the test servers
 # with CURL_STATICLIB defined, independently of how libcurl is built.
-target_compile_definitions(${BUNDLE} PRIVATE "WITHOUT_LIBCURL" "CURL_NO_OLDIES" "$<$<BOOL:${WIN32}>:CURL_STATICLIB>")
+target_compile_definitions(${BUNDLE} PRIVATE "WITHOUT_LIBCURL" "CURL_NO_OLDIES" "CURL_STATICLIB")
 set_target_properties(${BUNDLE} PROPERTIES OUTPUT_NAME "${BUNDLE}" PROJECT_LABEL "Test ${BUNDLE}" UNITY_BUILD OFF C_CLANG_TIDY "")
 
 curl_add_clang_tidy_test_target("${BUNDLE}-clang-tidy" ${BUNDLE} ${FIRST_C} ${UTILS_C} ${TESTS_C})
diff --git a/tests/server/Makefile.am b/tests/server/Makefile.am
index 164034ed5c..5d514b49e7 100644
--- a/tests/server/Makefile.am
+++ b/tests/server/Makefile.am
@@ -48,10 +48,7 @@ CFLAGS += @CURL_CFLAG_EXTRAS@
 # Prevent LIBS from being used for all link targets
 LIBS = $(BLANK_AT_MAKETIME)
 
-AM_CPPFLAGS += -DWITHOUT_LIBCURL -DCURL_NO_OLDIES
-if DOING_NATIVE_WINDOWS
-AM_CPPFLAGS += -DCURL_STATICLIB
-endif
+AM_CPPFLAGS += -DWITHOUT_LIBCURL -DCURL_NO_OLDIES -DCURL_STATICLIB
 
 $(BUNDLE).c: $(top_srcdir)/scripts/mk-unity.pl Makefile.inc $(FIRST_C) $(UTILS_C) $(CURLX_C) $(TESTS_C)
 	@PERL@ $(top_srcdir)/scripts/mk-unity.pl --include $(UTILS_C) $(CURLX_C) --test $(TESTS_C) > $(BUNDLE).c