diff --git a/reactos/ntoskrnl/mm/ARM3/sysldr.c b/reactos/ntoskrnl/mm/ARM3/sysldr.c
index fca38487541..d27e49bda94 100644
--- a/reactos/ntoskrnl/mm/ARM3/sysldr.c
+++ b/reactos/ntoskrnl/mm/ARM3/sysldr.c
@@ -16,8 +16,8 @@
 #define MODULE_INVOLVED_IN_ARM3
 #include <mm/ARM3/miarm.h>
 
-/* GCC's incompetence strikes again */
-__inline
+static
+inline
 VOID
 sprintf_nt(IN PCHAR Buffer,
            IN PCHAR Format,
diff --git a/reactos/win32ss/user/user32/include/ntwrapper.h b/reactos/win32ss/user/user32/include/ntwrapper.h
index f61224e0ea9..01a07e4b301 100644
--- a/reactos/win32ss/user/user32/include/ntwrapper.h
+++ b/reactos/win32ss/user/user32/include/ntwrapper.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #if defined(__GNUC__)
-#define EXTINLINE extern inline __attribute__((always_inline))
+#define EXTINLINE extern inline __attribute__((always_inline)) __attribute__((gnu_inline))
 #elif defined(_MSC_VER)
 #define EXTINLINE extern __forceinline
 #else