diff --git a/ChangeLog.txt b/ChangeLog.txt
index de88e2733e..9b91a7405f 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -17,6 +17,20 @@
   * contrib/gtqtc/gtqtc.hbp
     + added depbinpath for QT6 on Linux to locate moc correctly
 
+2024-12-29 00:28 UTC+0100 Aleksander Czajczynski (hb fki.pl)
+  * src/rtl/hbproces.c
+    ! in process creating functions like hb_processRun(), *Open(),
+      on Android: don't use setuid( getuid() ) method for resetting
+      attributes as it rises "Bad system call" and the process is not
+      executed. This fixes building Harbour in hbmk2 stage on Android
+      device itself (for example using Termux) and can fix deploying
+      multi-process Android apps. For devices older than Android 8,
+      where the kernel was not hardened, please report any regresions,
+      if you have such multi-process deployments.
+
+  * ChangeLog.txt
+    % stripped spaces before EOLs
+
 2024-12-19 10:24 UTC+0100 Aleksander Czajczynski (hb fki.pl)
   * contrib/rddsql/sqlbase.c
     % cleanup unnecessary braces
diff --git a/src/rtl/hbproces.c b/src/rtl/hbproces.c
index 83bed65291..2100d70de1 100644
--- a/src/rtl/hbproces.c
+++ b/src/rtl/hbproces.c
@@ -423,9 +423,15 @@ static int hb_fsProcessExec( const char * pszFileName,
             for( i = 3; i < iMaxFD; ++i )
                hb_fsClose( i );
          }
-         /* reset extended process attributes */
+
+#if ! defined( __BIONIC__ )
+         /* reset extended process attributes
+          * except on Android libc, where in practice
+          * this method raises "Bad system call" exception
+          */
          ( void ) setuid( getuid() );
          ( void ) setgid( getgid() );
+#endif
 
          /* execute command */
          execvp( argv[ 0 ], argv );
@@ -846,9 +852,14 @@ HB_FHANDLE hb_fsProcessOpen( const char * pszFileName,
                hb_fsClose( i );
          }
 
-         /* reset extended process attributes */
+#  if ! defined( __BIONIC__ )
+         /* reset extended process attributes
+          * except on Android libc, where in practice
+          * this method raises "Bad system call" exception
+          */
          if( setuid( getuid() ) == -1 ) {}
          if( setgid( getgid() ) == -1 ) {}
+#  endif
 
          /* execute command */
          {