diff --git a/InOsEmuPkg/Unix/Sec/SecMain.inf b/InOsEmuPkg/Unix/Sec/SecMain.inf
index 2405648697..70df2f21b9 100644
--- a/InOsEmuPkg/Unix/Sec/SecMain.inf
+++ b/InOsEmuPkg/Unix/Sec/SecMain.inf
@@ -113,13 +113,13 @@
 
 
 [BuildOptions]
-   GCC:*_*_IA32_DLINK_FLAGS == -o $(BIN_DIR)/SecMain -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 /usr/lib/crt1.o /usr/lib/crti.o -L/usr/X11R6/lib -lXext -lX11 /usr/lib/crtn.o
+   GCC:*_*_IA32_DLINK_FLAGS == -o $(BIN_DIR)/SecMain -m elf_i386 -dynamic-linker /lib$(LIB_ARCH_SFX)/ld-linux.so.2 /usr/lib$(LIB_ARCH_SFX)/crt1.o /usr/lib$(LIB_ARCH_SFX)/crti.o -L/usr/X11R6/lib -lXext -lX11 /usr/lib$(LIB_ARCH_SFX)/crtn.o
    GCC:*_*_*_DLINK2_FLAGS == -lpthread -lc
    GCC:*_*_IA32_CC_FLAGS == -m32 -g -fshort-wchar -fno-strict-aliasing -Wall -malign-double -idirafter/usr/include -c -include $(DEST_DIR_DEBUG)/AutoGen.h -DSTRING_ARRAY_NAME=$(BASE_NAME)Strings
    GCC:*_*_IA32_PP_FLAGS == -m32 -E -x assembler-with-cpp -include $(DEST_DIR_DEBUG)/AutoGen.h
    GCC:*_*_IA32_ASM_FLAGS == -m32 -c -x assembler -imacros $(DEST_DIR_DEBUG)/AutoGen.h
 
-   GCC:*_*_X64_DLINK_FLAGS == -o $(BIN_DIR)/SecMain -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 /usr/lib/crt1.o /usr/lib/crti.o -L/usr/X11R6/lib -lXext -lX11 /usr/lib/crtn.o
+   GCC:*_*_X64_DLINK_FLAGS == -o $(BIN_DIR)/SecMain -m elf_x86_64 -dynamic-linker /lib$(LIB_ARCH_SFX)/ld-linux-x86-64.so.2 /usr/lib$(LIB_ARCH_SFX)/crt1.o /usr/lib$(LIB_ARCH_SFX)/crti.o -L/usr/X11R6/lib -lXext -lX11 /usr/lib$(LIB_ARCH_SFX)/crtn.o
    GCC:*_*_X64_CC_FLAGS == -m64 -g -fshort-wchar -fno-strict-aliasing -Wall -malign-double -idirafter/usr/include -c -include $(DEST_DIR_DEBUG)/AutoGen.h -DSTRING_ARRAY_NAME=$(BASE_NAME)Strings
    GCC:*_GCC44_X64_CC_FLAGS = "-DEFIAPI=__attribute__((ms_abi))"
    GCC:*_GCC45_X64_CC_FLAGS = "-DEFIAPI=__attribute__((ms_abi))"
diff --git a/InOsEmuPkg/Unix/build.sh b/InOsEmuPkg/Unix/build.sh
index 44df8115cf..1810a69ef7 100755
--- a/InOsEmuPkg/Unix/build.sh
+++ b/InOsEmuPkg/Unix/build.sh
@@ -61,6 +61,11 @@ case `uname` in
       ;;
 esac
 
+if [ -d /lib32 ]
+then
+  export LIB_ARCH_SFX=32
+fi
+
 if [ -z "$TARGET_TOOLS" ]
 then
   TARGET_TOOLS=$UNIXPKG_TOOLS
diff --git a/InOsEmuPkg/Unix/build64.sh b/InOsEmuPkg/Unix/build64.sh
index 1974e090cd..eb0d80bff6 100755
--- a/InOsEmuPkg/Unix/build64.sh
+++ b/InOsEmuPkg/Unix/build64.sh
@@ -62,6 +62,11 @@ case `uname` in
       ;;
 esac
 
+if [ -d /lib64 ]
+then
+  export LIB_ARCH_SFX=64
+fi
+
 if [ -z "$TARGET_TOOLS" ]
 then
   TARGET_TOOLS=$UNIXPKG_TOOLS