diff --git a/Packaging/amiga/prep.sh b/Packaging/amiga/prep.sh
index 1f3028c6b..0ccedb52b 100755
--- a/Packaging/amiga/prep.sh
+++ b/Packaging/amiga/prep.sh
@@ -24,7 +24,7 @@ cd deps
 wget https://github.com/AmigaPorts/libSDL12/archive/update.tar.gz -O SDL-1.2.tar.gz
 tar -xvf SDL-1.2.tar.gz
 cd libSDL12-update
-make PREFX=${SYSROOT} PREF=${SYSROOT} -j"$PARALLELISM"
+make PREFX=${SYSROOT} PREF=${SYSROOT} -j"$PARALLELISM" -f Makefile.amigaos3
 mkdir -p ${SYSROOT}/usr/lib
 mkdir -p ${SYSROOT}/usr/include
 cp -fvr libSDL.a ${SYSROOT}/usr/lib/