diff --git a/options/glibc/generic/shadow.cpp b/options/glibc/generic/shadow.cpp
index 9ce6584664..ddc2a23b76 100644
--- a/options/glibc/generic/shadow.cpp
+++ b/options/glibc/generic/shadow.cpp
@@ -215,3 +215,8 @@ struct spwd *fgetspent(FILE *) {
 void endspent(void) {
 	mlibc::infoLogger() << "mlibc: endspent is a stub" << frg::endlog;
 }
+
+struct spwd *sgetspent(const char *) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}
diff --git a/options/glibc/include/shadow.h b/options/glibc/include/shadow.h
index 58844589ef..508d346f63 100644
--- a/options/glibc/include/shadow.h
+++ b/options/glibc/include/shadow.h
@@ -32,6 +32,7 @@ struct spwd *getspnam(const char *__name);
 int getspnam_r(const char *__name, struct spwd *__sp, char *__buf, size_t __size, struct spwd **__res);
 struct spwd *fgetspent(FILE *__f);
 void endspent(void);
+struct spwd *sgetspent(const char *__s);
 
 #endif /* !__MLIBC_ABI_ONLY */
 
diff --git a/options/glibc/include/sys/procfs.h b/options/glibc/include/sys/procfs.h
index 82fee9a666..d19a03c86d 100644
--- a/options/glibc/include/sys/procfs.h
+++ b/options/glibc/include/sys/procfs.h
@@ -15,7 +15,7 @@ typedef unsigned long elf_greg_t;
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 
 typedef struct user_fpregs_struct elf_fpregset_t;
-typedef struct user_regs_struct prgregset_t;
+typedef elf_gregset_t prgregset_t;
 typedef struct user_fpregs_struct prfpregset_t;
 
 #define ELF_PRARGSZ 80