diff --git a/Libraries/LibCore/Environment.cpp b/Libraries/LibCore/Environment.cpp
index b377bf7f5fd..6e1f895704a 100644
--- a/Libraries/LibCore/Environment.cpp
+++ b/Libraries/LibCore/Environment.cpp
@@ -13,6 +13,9 @@
 
 #if defined(AK_OS_MACOS) || defined(AK_OS_IOS)
 #    include <crt_externs.h>
+#elif defined(AK_OS_FREEBSD)
+// FIXME: Remove this once FreeBSD exports environ from libc
+extern "C" __attribute__((weak)) char** environ;
 #elif !defined(AK_OS_WINDOWS)
 extern "C" char** environ;
 #endif
diff --git a/Meta/CMake/lagom_compile_options.cmake b/Meta/CMake/lagom_compile_options.cmake
index ceab3ba37a3..86100743327 100644
--- a/Meta/CMake/lagom_compile_options.cmake
+++ b/Meta/CMake/lagom_compile_options.cmake
@@ -75,7 +75,10 @@ if (NOT WIN32 AND NOT APPLE AND NOT ENABLE_FUZZERS)
     else()
         add_link_options(LINKER:-z,defs)
         add_link_options(LINKER:--no-undefined)
-        add_link_options(LINKER:--no-allow-shlib-undefined)
+        # FIXME: Remove this once FreeBSD exports environ from libc
+        if (NOT CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+            add_link_options(LINKER:--no-allow-shlib-undefined)
+        endif()
     endif()
 endif()