diff --git a/Makefile.psp1 b/Makefile.psp1
index 610b12ad22..d59acb3521 100644
--- a/Makefile.psp1
+++ b/Makefile.psp1
@@ -25,7 +25,7 @@ INCDIR = deps deps/stb deps/7zip deps/pthreads deps/pthreads/platform/psp deps/p
 CFLAGS = $(OPTIMIZE_LV) -G0 -std=gnu99 -ffast-math -fsingle-precision-constant
 ASFLAGS = $(CFLAGS)
 
-RARCH_DEFINES = -DPSP -D_MIPS_ARCH_ALLEGREX -DHAVE_LANGEXTRA -DHAVE_ZLIB -DHAVE_RPNG -DHAVE_RJPEG -DHAVE_GRIFFIN=1 -DRARCH_INTERNAL -DRARCH_CONSOLE -DHAVE_MENU -DHAVE_CONFIGFILE -DHAVE_RGUI -DHAVE_FILTERS_BUILTIN -DHAVE_7ZIP -DHAVE_CC_RESAMPLER
+RARCH_DEFINES = -DPSP -D_MIPS_ARCH_ALLEGREX -DHAVE_LANGEXTRA -DHAVE_ZLIB -DHAVE_AUDIOMIXER -DHAVE_RPNG -DHAVE_RJPEG -DHAVE_GRIFFIN=1 -DRARCH_INTERNAL -DRARCH_CONSOLE -DHAVE_MENU -DHAVE_CONFIGFILE -DHAVE_RGUI -DHAVE_FILTERS_BUILTIN -DHAVE_7ZIP -DHAVE_CC_RESAMPLER
 
 LIBDIR =
 LDFLAGS =