diff --git a/mkcontrollermappings.sh b/mkcontrollermappings.sh
index a52f39e..9325e53 100755
--- a/mkcontrollermappings.sh
+++ b/mkcontrollermappings.sh
@@ -1,10 +1,12 @@
 #!/bin/bash
 
+rootdir=$1
+
 curl https://raw.githubusercontent.com/mdqinc/SDL_GameControllerDB/refs/heads/master/gamecontrollerdb.txt | grep -v '^#' | grep -v '^$' | sed s/',$'//g > mappings.txt
 
 filelen=$(wc -l mappings.txt | cut -d ' ' -f 1)
 
-cat > ../include/akgl/SDL_GameControllerDB.h <<EOF
+cat > ${rootdir}/include/akgl/SDL_GameControllerDB.h <<EOF
 #ifndef _SDL_GAMECONTROLLERDB_H_
 #define _SDL_GAMECONTROLLERDB_H_
 
@@ -20,11 +22,11 @@ counter=0
 cat mappings.txt | while read LINE;
 do
     if [[ $counter -gt 0 ]]; then
-	printf ",\n" >> ../include/akgl/SDL_GameControllerDB.h;
+	printf ",\n" >> ${rootdir}/include/akgl/SDL_GameControllerDB.h;
     fi
-    printf "    \"${LINE}\"" >> ../include/akgl/SDL_GameControllerDB.h;
+    printf "    \"${LINE}\"" >> ${rootdir}/include/akgl/SDL_GameControllerDB.h;
     counter=$((counter + 1))
 done
 
-printf "\n};\n" >> ../include/akgl/SDL_GameControllerDB.h
-printf "#endif // _SDL_GAMECONTROLLERDB_H_\n" >> ../include/akgl/SDL_GameControllerDB.h
+printf "\n};\n" >> ${rootdir}/include/akgl/SDL_GameControllerDB.h
+printf "#endif // _SDL_GAMECONTROLLERDB_H_\n" >> ${rootdir}/include/akgl/SDL_GameControllerDB.h