diff --git a/rtl/linux/Makefile b/rtl/linux/Makefile
index a613c458ed..ca984da622 100644
--- a/rtl/linux/Makefile
+++ b/rtl/linux/Makefile
@@ -2589,7 +2589,7 @@ endif
 ifeq ($(FULL_TARGET),riscv64-embedded)
 override COMPILER_TARGETDIR+=.
 endif
-override SHARED_LIBUNITS=$(SYSTEMUNIT) objpas strings dos unix baseunix unixtype unixutil sysutils typinfo math $(CPU_UNITS) getopts errors  classes fgl sysconst rtlconsts types linux sortbase
+override SHARED_LIBUNITS=$(SYSTEMUNIT) objpas strings dos unix baseunix unixtype unixutil sysutils typinfo math $(CPU_UNITS) getopts errors  classes fgl sysconst syscall rtlconsts types linux sortbase
 ifdef REQUIRE_UNITSDIR
 override UNITSDIR+=$(REQUIRE_UNITSDIR)
 endif
diff --git a/rtl/linux/Makefile.fpc b/rtl/linux/Makefile.fpc
index 105b9faf26..8e23ac0d63 100644
--- a/rtl/linux/Makefile.fpc
+++ b/rtl/linux/Makefile.fpc
@@ -53,7 +53,7 @@ libunits=$(SYSTEMUNIT) objpas strings dos \
       sysutils typinfo math \
       $(CPU_UNITS) getopts \
       errors  \
-      classes fgl sysconst rtlconsts types \
+      classes fgl sysconst syscall rtlconsts types \
       linux sortbase
 
 [prerules]