diff -uNr boinc-client_release-7.16-7.16.11/client/app_start.cpp boinc-client_release-7.16-7.16.11.mod/client/app_start.cpp
--- boinc-client_release-7.16-7.16.11/client/app_start.cpp	2020-08-30 16:04:59.000000000 +0800
+++ boinc-client_release-7.16-7.16.11.mod/client/app_start.cpp	2020-09-13 21:35:44.960942100 +0800
@@ -94,6 +94,9 @@
 
 #include "app.h"
 
+#ifdef __ANDROID__
+#include <stdlib.h> // getenv(), setenv(), unsetenv()
+#endif
 
 #ifdef _WIN32
 // Dynamically link to these functions at runtime;
@@ -1143,6 +1146,23 @@
             //
             umask(2);
             retval = execv(switcher_path, argv);
+#ifdef __ANDROID__
+#if defined(__aarch64__)
+        } else if (strstr(exec_name, "arm-android-linux-gnu")) {
+#elif defined(__x86_64__)
+        } else if (strstr(exec_name, "x86-android-linux-gnu")) {
+#endif
+            // Fix Termux 32bit compatibility on 64bit devices
+            argv[0] = buf;
+            parse_command_line(cmdline, argv+1);
+            // backup and unset LD_PRELOAD var
+            char *old_env = getenv("LD_PRELOAD");
+            unsetenv("LD_PRELOAD");
+            retval = execv(buf, argv);
+            // set LD_PRELOAD var back
+            setenv("LD_PRELOAD", old_env, 1);
+            free(old_env);
+#endif // __ANDROID__
         } else {
             argv[0] = buf;
             parse_command_line(cmdline, argv+1);