diff --git a/libc/bionic/sysconf.cpp b/libc/bionic/sysconf.cpp
index 571370c..03822ed 100644
--- a/libc/bionic/sysconf.cpp
+++ b/libc/bionic/sysconf.cpp
@@ -210,6 +210,7 @@
       // are vestigial anyway, so the "maximum maximum" of NGROUPS_MAX is a good
       // enough answer for _SC_NGROUPS_MAX...
       return NGROUPS_MAX;
+    case _SC_NSIG:              return NSIG;
     case _SC_PASS_MAX:          return PASS_MAX;
     case _SC_2_C_BIND:          return _POSIX2_C_BIND;
     case _SC_2_C_DEV:           return _POSIX2_C_DEV;
diff --git a/libc/include/bits/sysconf.h b/libc/include/bits/sysconf.h
index ecf26ba..303f7c6 100644
--- a/libc/include/bits/sysconf.h
+++ b/libc/include/bits/sysconf.h
@@ -328,6 +328,8 @@
 #define _SC_LEVEL4_CACHE_ASSOC 0x009c
 /** sysconf() query for the L4 cache line size. Not available on all architectures. */
 #define _SC_LEVEL4_CACHE_LINESIZE 0x009d
+/** sysconf() query equivalent to NSIG. Available from API level 37. */
+#define _SC_NSIG 0x009e
 
 __BEGIN_DECLS