diff --git a/build/cmake_modules/TargetArch.cmake b/build/cmake_modules/TargetArch.cmake
index d9ebe7c9..ac7275b1 100644
--- a/build/cmake_modules/TargetArch.cmake
+++ b/build/cmake_modules/TargetArch.cmake
@@ -61,7 +61,7 @@ set(archdetect_c_code "
     #else
         #error cmake_ARCH mips
     #endif
-#elif defined(__ppc__) || defined(__ppc) || defined(__powerpc__) \\
+#elif defined(__ppc__) || defined(__ppc) || defined(__powerpc__) || defined(__POWERPC__) \\
       || defined(_ARCH_COM) || defined(_ARCH_PWR) || defined(_ARCH_PPC)  \\
       || defined(_M_MPPC) || defined(_M_PPC)
     #if defined(__ppc64__) || defined(__powerpc64__) || defined(__64BIT__)
diff --git a/libi2pd/util.cpp b/libi2pd/util.cpp
index 10de346f..422c97ff 100644
--- a/libi2pd/util.cpp
+++ b/libi2pd/util.cpp
@@ -143,7 +143,7 @@ namespace util
 	}
 
 	void SetThreadName (const char *name) {
-#if defined(__APPLE__) && !defined(__powerpc__)
+#if defined(__APPLE__) && !defined(__POWERPC__)
 		pthread_setname_np((char*)name);
 #elif defined(__FreeBSD__) || defined(__OpenBSD__)
 		pthread_set_name_np(pthread_self(), name);