diff --git a/3rdparty/lzfse.cmake b/3rdparty/lzfse.cmake
index 50823f0..1d5d963 100644
--- a/3rdparty/lzfse.cmake
+++ b/3rdparty/lzfse.cmake
@@ -82,9 +82,9 @@ set_target_properties(lzfse PROPERTIES
                       C_VISIBILITY_PRESET hidden)
 
 if(NOT AARU_MUSL)
-   set_property(TARGET lzfse APPEND PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
+   set_property(TARGET lzfse PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
 endif()
 
 if(NOT "${CMAKE_C_PLATFORM_ID}" MATCHES "MinGW" OR (NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm" AND NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64"))
-    set_property(TARGET lzfse APPEND PROPERTY POSITION_INDEPENDENT_CODE TRUE)
+    set_property(TARGET lzfse PROPERTY POSITION_INDEPENDENT_CODE TRUE)
 endif()
\ No newline at end of file
diff --git a/3rdparty/zstd.cmake b/3rdparty/zstd.cmake
index 484e51b..6bfeafd 100644
--- a/3rdparty/zstd.cmake
+++ b/3rdparty/zstd.cmake
@@ -290,5 +290,5 @@ endif ()
 #endif ()
 
 if(NOT "${CMAKE_C_PLATFORM_ID}" MATCHES "MinGW" OR (NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm" AND NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64"))
-    set_property(TARGET libzstd_static APPEND PROPERTY POSITION_INDEPENDENT_CODE ON)
+    set_property(TARGET libzstd_static PROPERTY POSITION_INDEPENDENT_CODE ON)
 endif()
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5edf3f0..58fb313 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -114,9 +114,9 @@ ENDMACRO()
 TARGET_LINK_LIBRARIES_WHOLE_ARCHIVE("Aaru.Compression.Native" bz2_static lzlib lzfse libzstd_static lzma FLAC)
 
 if(NOT "${CMAKE_C_PLATFORM_ID}" MATCHES "MinGW" OR (NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm" AND NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64"))
-    set_property(TARGET "Aaru.Compression.Native" APPEND PROPERTY POSITION_INDEPENDENT_CODE TRUE)
+    set_property(TARGET "Aaru.Compression.Native" PROPERTY POSITION_INDEPENDENT_CODE TRUE)
 else()
-    set_property(TARGET "Aaru.Compression.Native" APPEND PROPERTY POSITION_INDEPENDENT_CODE FALSE)
+    set_property(TARGET "Aaru.Compression.Native" PROPERTY POSITION_INDEPENDENT_CODE FALSE)
 endif()
 
 add_subdirectory(tests)