diff --git a/cmake/osdetection.cmake b/cmake/osdetection.cmake
index c163a7ff..23f6a5d5 100644
--- a/cmake/osdetection.cmake
+++ b/cmake/osdetection.cmake
@@ -5,7 +5,11 @@ endif(CMAKE_SYSTEM_NAME MATCHES "Linux")
 if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
     set(FREEBSD true)
     set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
-    execute_process(COMMAND "sh" "-c" "realpath `dirname \\`${CMAKE_C_COMPILER} --print-file-name=libgcc_s.so\\``" OUTPUT_VARIABLE CMAKE_BUILD_RPATH)
+    if(CMAKE_C_COMPILER MATCHES "/usr/local/bin/gcc12")
+        set(CMAKE_BUILD_RPATH "/usr/local/lib/gcc12")
+    elseif(CMAKE_C_COMPILER MATCHES "/usr/local/bin/gcc13")
+        set(CMAKE_BUILD_RPATH "/usr/local/lib/gcc13")
+    endif()
 endif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
 
 if(CMAKE_SYSTEM_NAME MATCHES "NetBSD")