diff --git a/CMakeLists.txt b/CMakeLists.txt
index 860cdd387..18ae01633 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1410,9 +1410,8 @@ elseif(NetBSD)
 elseif(Haiku)
     target_compile_definitions(libfastfetch PUBLIC _GNU_SOURCE)
 elseif(GNU)
-    target_compile_definitions(libfastfetch PUBLIC _GNU_SOURCE)
     # On Hurd PATH_MAX is not defined. Set an arbitrary limit as workaround.
-    target_compile_definitions(libfastfetch PUBLIC PATH_MAX=4096)
+    target_compile_definitions(libfastfetch PUBLIC _GNU_SOURCE PATH_MAX=4096 O_PATH=0)
 endif()
 
 if(WIN32)
diff --git a/src/detection/cpu/cpu_linux.c b/src/detection/cpu/cpu_linux.c
index db9e4ce7e..9edcac48f 100644
--- a/src/detection/cpu/cpu_linux.c
+++ b/src/detection/cpu/cpu_linux.c
@@ -14,10 +14,6 @@
 
 #define FF_CPUINFO_PATH "/proc/cpuinfo"
 
-#ifndef O_PATH
-#define O_PATH 0
-#endif
-
 static double readTempFile(int dfd, const char* filename, FFstrbuf* buffer)
 {
     if (filename ? !ffReadFileBufferRelative(dfd, filename, buffer) : !ffReadFDBuffer(dfd, buffer))