diff --git a/lib/libc/include/generic-netbsd/machine/signal.h b/lib/libc/include/generic-netbsd/machine/signal.h
index 8f66728236c501ccb2ad59b8ee8c592feadb9ac6..bf8e86de3a208d80ef354f1f5ba35ee654b9944e 100644
--- a/lib/libc/include/generic-netbsd/machine/signal.h
+++ b/lib/libc/include/generic-netbsd/machine/signal.h
@@ -33,8 +33,7 @@
 #define _RISCV_SIGNAL_H_
 
 #ifndef _LOCORE
-// zig patch: Clang does not define __SIG_ATOMIC_TYPE__
-typedef int sig_atomic_t;
+typedef __SIG_ATOMIC_TYPE__ sig_atomic_t;
 #endif
 
 #endif /* _RISCV_SIGNAL_H_ */
diff --git a/lib/libc/include/generic-netbsd/riscv/signal.h b/lib/libc/include/generic-netbsd/riscv/signal.h
index 8f66728236c501ccb2ad59b8ee8c592feadb9ac6..bf8e86de3a208d80ef354f1f5ba35ee654b9944e 100644
--- a/lib/libc/include/generic-netbsd/riscv/signal.h
+++ b/lib/libc/include/generic-netbsd/riscv/signal.h
@@ -33,8 +33,7 @@
 #define _RISCV_SIGNAL_H_
 
 #ifndef _LOCORE
-// zig patch: Clang does not define __SIG_ATOMIC_TYPE__
-typedef int sig_atomic_t;
+typedef __SIG_ATOMIC_TYPE__ sig_atomic_t;
 #endif
 
 #endif /* _RISCV_SIGNAL_H_ */