diff --git a/desmume/src/Makefile.am b/desmume/src/Makefile.am
index c329a069b..7b9e26317 100644
--- a/desmume/src/Makefile.am
+++ b/desmume/src/Makefile.am
@@ -87,7 +87,7 @@ libdesmume_a_SOURCES = \
 	utils/tinyxml/tinyxml.h \
 	utils/tinyxml/tinyxmlerror.cpp \
 	utils/tinyxml/tinyxmlparser.cpp \
-  utils/glcorearb.h \
+	utils/glcorearb.h \
 	addons/slot2_auto.cpp addons/slot2_mpcf.cpp addons/slot2_paddle.cpp addons/slot2_gbagame.cpp addons/slot2_none.cpp addons/slot2_rumblepak.cpp addons/slot2_guitarGrip.cpp addons/slot2_expMemory.cpp addons/slot2_piano.cpp addons/slot2_passme.cpp addons/slot1_none.cpp addons/slot1_r4.cpp addons/slot1_retail_nand.cpp addons/slot1_retail_auto.cpp addons/slot1_retail_mcrom.cpp addons/slot1_retail_mcrom_debug.cpp addons/slot1comp_mc.cpp addons/slot1comp_mc.h addons/slot1comp_rom.h addons/slot1comp_rom.cpp addons/slot1comp_protocol.h addons/slot1comp_protocol.cpp \
 	cheatSystem.cpp cheatSystem.h \
 	texcache.cpp texcache.h rasterize.cpp rasterize.h \