diff --git a/pathnames.h.in b/pathnames.h.in
index f6d247270..797cc037c 100644
--- a/pathnames.h.in
+++ b/pathnames.h.in
@@ -178,3 +178,12 @@
 #ifndef _PATH_NETSVC_CONF
 # undef	_PATH_NETSVC_CONF
 #endif /* _PATH_NETSVC_CONF */
+
+/* On AIX, _PATH_BSHELL is /usr/bin/bsh but we want /usr/bin/sh */
+#ifndef _PATH_SUDO_BSHELL
+# ifdef _AIX
+#  define _PATH_SUDO_BSHELL "/usr/bin/sh"
+# else
+#  define _PATH_SUDO_BSHELL _PATH_BSHELL
+# endif
+#endif /* _PATH_SUDO_BSHELL */
diff --git a/src/exec_common.c b/src/exec_common.c
index 4d8a597df..914fc7023 100644
--- a/src/exec_common.c
+++ b/src/exec_common.c
@@ -155,7 +155,7 @@ sudo_execve(const char *path, char *const argv[], char *const envp[], bool noexe
 	nargv[0] = "sh";
 	nargv[1] = (char *)path;
 	memcpy(nargv + 2, argv + 1, argc * sizeof(char *));
-	execve(_PATH_BSHELL, nargv, envp);
+	execve(_PATH_SUDO_BSHELL, nargv, envp);
 	sudo_efree(nargv);
     }
     return -1;
diff --git a/src/sudo.c b/src/sudo.c
index aa66e5ba7..164014c41 100644
--- a/src/sudo.c
+++ b/src/sudo.c
@@ -471,7 +471,7 @@ get_user_info(struct user_details *ud)
 
     /* Stash user's shell for use with the -s flag; don't pass to plugin. */
     if ((ud->shell = getenv("SHELL")) == NULL || ud->shell[0] == '\0') {
-	ud->shell = pw->pw_shell[0] ? pw->pw_shell : _PATH_BSHELL;
+	ud->shell = pw->pw_shell[0] ? pw->pw_shell : _PATH_SUDO_BSHELL;
     }
     ud->shell = sudo_estrdup(ud->shell);