diff --git a/MSIBuild/Makefile b/MSIBuild/Makefile
index 17f36b7..f372578 100644
--- a/MSIBuild/Makefile
+++ b/MSIBuild/Makefile
@@ -45,7 +45,9 @@ compwxExtend.dll.Win32	{CF0DA67E-4D98-4059-9ECA-CB0DE44E92EB}	$(WXEXTEND_BIN_DIR
 !IF "$(PLAT)" == "x64"
 compwxExtend.dll.x64	{02F1022D-AA80-4FCA-A6F2-C576C405E1B2}	$(WXEXTEND_BIN_DIR)	256		filewxExtend.dll.x64
 !ENDIF
+!IF "$(LANG)" == "Sl"
 compwxExtend.mo.sl_SI	{60770F71-A7B4-4B20-9535-726049A5D412}	WXEXTENDLOCSLSIDIR	$(MSIBUILD_COMPONENT_ATTRIB_FILE)		filewxExtend.mo.sl_SI
+!ENDIF
 <<NOKEEP
 
 
@@ -91,7 +93,9 @@ filewxExtend.dll.x64	compwxExtend.dll.x64	WXEXTE~6.DLL|wxExtend10u_vc100_x64.dll
 filewxExtend.dll.x64	compwxExtend.dll.x64	WXEXTE~8.DLL|wxExtend10ud_vc100_x64.dll	0		0	1536	1
 !ENDIF
 !ENDIF
+!IF "$(LANG)" == "Sl"
 filewxExtend.mo.sl_SI	compwxExtend.mo.sl_SI	WXEXTE~1.MO|wxExtend.mo	0		1060	0	1
+!ENDIF
 <<NOKEEP