diff --git a/arch/arm/bits/alltypes.h.sh b/arch/arm/bits/alltypes.h.sh
index c1db1a0c907a255d15cfaa64c5530cb8cc8ec80c..62e0327c751229bc38195926066844a852f20c19 100755
--- a/arch/arm/bits/alltypes.h.sh
+++ b/arch/arm/bits/alltypes.h.sh
@@ -104,7 +104,7 @@ TYPEDEF unsigned long long fsfilcnt_t;
 
 TYPEDEF void * timer_t;
 TYPEDEF int clockid_t;
-TYPEDEF unsigned long clock_t;
+TYPEDEF long clock_t;
 
 TYPEDEF struct { unsigned long __bits[128/sizeof(long)]; } sigset_t;
 TYPEDEF struct __siginfo siginfo_t;
diff --git a/arch/i386/bits/alltypes.h.sh b/arch/i386/bits/alltypes.h.sh
index aec7373176ea3b74667ca3169315aa64d7474c3d..76c50ec1a43e138729de9dfccb8d3c6faf049d14 100755
--- a/arch/i386/bits/alltypes.h.sh
+++ b/arch/i386/bits/alltypes.h.sh
@@ -117,7 +117,7 @@ TYPEDEF unsigned long long fsfilcnt_t;
 
 TYPEDEF void * timer_t;
 TYPEDEF int clockid_t;
-TYPEDEF unsigned long clock_t;
+TYPEDEF long clock_t;
 
 TYPEDEF struct { unsigned long __bits[128/sizeof(long)]; } sigset_t;
 TYPEDEF struct __siginfo siginfo_t;
diff --git a/arch/microblaze/bits/alltypes.h.sh b/arch/microblaze/bits/alltypes.h.sh
index 23f12d8e1a1c6e9a2ac6bdd507a95c6494ee67e3..268321a1b13edd535b664c2255340a84ac91f01f 100755
--- a/arch/microblaze/bits/alltypes.h.sh
+++ b/arch/microblaze/bits/alltypes.h.sh
@@ -104,7 +104,7 @@ TYPEDEF unsigned long long fsfilcnt_t;
 
 TYPEDEF void * timer_t;
 TYPEDEF int clockid_t;
-TYPEDEF unsigned long clock_t;
+TYPEDEF long clock_t;
 
 TYPEDEF struct { unsigned long __bits[128/sizeof(long)]; } sigset_t;
 TYPEDEF struct __siginfo siginfo_t;
diff --git a/arch/mips/bits/alltypes.h.sh b/arch/mips/bits/alltypes.h.sh
index 23f12d8e1a1c6e9a2ac6bdd507a95c6494ee67e3..268321a1b13edd535b664c2255340a84ac91f01f 100755
--- a/arch/mips/bits/alltypes.h.sh
+++ b/arch/mips/bits/alltypes.h.sh
@@ -104,7 +104,7 @@ TYPEDEF unsigned long long fsfilcnt_t;
 
 TYPEDEF void * timer_t;
 TYPEDEF int clockid_t;
-TYPEDEF unsigned long clock_t;
+TYPEDEF long clock_t;
 
 TYPEDEF struct { unsigned long __bits[128/sizeof(long)]; } sigset_t;
 TYPEDEF struct __siginfo siginfo_t;
diff --git a/arch/powerpc/bits/alltypes.h.sh b/arch/powerpc/bits/alltypes.h.sh
index 7d3cdc363077dc5d23c3899b83891a72d1941127..5fe05e27d1b1494913d118b91c231dd1bd9e80c8 100755
--- a/arch/powerpc/bits/alltypes.h.sh
+++ b/arch/powerpc/bits/alltypes.h.sh
@@ -104,7 +104,7 @@ TYPEDEF unsigned long long fsfilcnt_t;
 
 TYPEDEF void * timer_t;
 TYPEDEF int clockid_t;
-TYPEDEF unsigned long clock_t;
+TYPEDEF long clock_t;
 
 TYPEDEF struct { unsigned long __bits[128/sizeof(long)]; } sigset_t;
 TYPEDEF struct __siginfo siginfo_t;