diff --git a/lib/std/debug/cpu_context.zig b/lib/std/debug/cpu_context.zig
index 458539e11e18e566564af4ba6a30b21d042a85e6..2d254782ebf3ea75a5b6504f366745f2ea6da451 100644
--- a/lib/std/debug/cpu_context.zig
+++ b/lib/std/debug/cpu_context.zig
@@ -1980,6 +1980,8 @@ const signal_ucontext_t = switch (native_os) {
         .thumbeb,
         .csky,
         .hexagon,
+        .hppa,
+        .hppa64,
         .m68k,
         .mips,
         .mipsel,
@@ -2051,19 +2053,19 @@ const signal_ucontext_t = switch (native_os) {
                     pc: u32,
                 },
                 // https://github.com/torvalds/linux/blob/cd5a0afbdf8033dc83786315d63f8b325bdba2fd/arch/parisc/include/uapi/asm/sigcontext.h
-                .hppa => extern struct {
-                    _flags: u32,
-                    _psw: u32,
-                    r1_19: [19]u32,
-                    r20: u32,
-                    r21: u32,
-                    r22: u32,
-                    r23_29: [7]u32,
-                    r30: u32,
-                    r31: u32,
+                .hppa, .hppa64 => extern struct {
+                    _flags: usize,
+                    _psw: usize,
+                    r1_19: [19]usize,
+                    r20: usize,
+                    r21: usize,
+                    r22: usize,
+                    r23_29: [7]usize,
+                    r30: usize,
+                    r31: usize,
                     _fr: [32]f64,
-                    _iasq: [2]u32,
-                    iaoq: [2]u32,
+                    _iasq: [2]usize,
+                    iaoq: [2]usize,
                 },
                 // https://github.com/torvalds/linux/blob/cd5a0afbdf8033dc83786315d63f8b325bdba2fd/arch/m68k/include/asm/ucontext.h
                 .m68k => extern struct {