diff --git a/unittest/force-styles/CMakeLists.txt b/unittest/force-styles/CMakeLists.txt
index 85546c1510..d2345ceaa7 100644
--- a/unittest/force-styles/CMakeLists.txt
+++ b/unittest/force-styles/CMakeLists.txt
@@ -36,7 +36,11 @@ if(Python_EXECUTABLE)
     COMMENT "Check completeness of force style tests")
 endif()
 
-set(TEST_INPUT_FOLDER ${CMAKE_CURRENT_SOURCE_DIR}/tests)
+if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
+  string(REPLACE "/" "\\\\" TEST_INPUT_FOLDER "${CMAKE_CURRENT_SOURCE_DIR}/tests")
+else()
+  set(TEST_INPUT_FOLDER ${CMAKE_CURRENT_SOURCE_DIR}/tests)
+endif()
 add_library(style_tests STATIC yaml_writer.cpp error_stats.cpp test_config_reader.cpp test_main.cpp)
 if(YAML_FOUND)
   target_compile_definitions(style_tests PRIVATE TEST_INPUT_FOLDER=${TEST_INPUT_FOLDER})
diff --git a/unittest/force-styles/tests/atomic-pair-sw_angle_table.yaml b/unittest/force-styles/tests/atomic-pair-sw_angle_table.yaml
index 48075274fe..0f8ca18eec 100644
--- a/unittest/force-styles/tests/atomic-pair-sw_angle_table.yaml
+++ b/unittest/force-styles/tests/atomic-pair-sw_angle_table.yaml
@@ -10,8 +10,7 @@ pre_commands: ! |
   variable units index real
   variable newton_pair delete
   variable newton_pair index on
-  if $(is_os(^Windows)) then "variable copycmd string copy" else "variable copycmd string cp"
-  shell ${copycmd} ${input_dir}/table_CG_CG_CG.txt .
+  if $(is_os(^Windows)) then "shell copy ${input_dir}\table_CG_CG_CG.txt ." else "shell cp ${input_dir}/table_CG_CG_CG.txt ."
 post_commands: ! ""
 input_file: in.metal
 pair_style: hybrid/overlay table linear 1200 sw/angle/table
diff --git a/unittest/force-styles/tests/atomic-pair-threebody_table.yaml b/unittest/force-styles/tests/atomic-pair-threebody_table.yaml
index 5b0c0b5aab..cf3566490e 100644
--- a/unittest/force-styles/tests/atomic-pair-threebody_table.yaml
+++ b/unittest/force-styles/tests/atomic-pair-threebody_table.yaml
@@ -10,9 +10,8 @@ pre_commands: ! |
   variable units index real
   variable newton_pair delete
   variable newton_pair index on
-  if $(is_os(^Windows)) then "variable copycmd string copy" else "variable copycmd string cp"
-  shell ${copycmd} ${input_dir}/1-1-1.table .
-  shell ${copycmd} ${input_dir}/1-1-2.table .
+  if $(is_os(^Windows)) then "shell copy ${input_dir}\1-1-1.table ." else "shell cp ${input_dir}/1-1-1.table ."
+  if $(is_os(^Windows)) then "shell copy ${input_dir}\1-1-2.table ." else "shell cp ${input_dir}/1-1-2.table ."
 post_commands: ! ""
 input_file: in.metal
 pair_style: hybrid/overlay table linear 1200 threebody/table