diff --git a/buildScripts/buildInstallLocallyApt b/buildScripts/buildInstallLocallyApt
index 75b45bd..72aeced 100755
--- a/buildScripts/buildInstallLocallyApt
+++ b/buildScripts/buildInstallLocallyApt
@@ -13,6 +13,10 @@ export MAKE_PARALLEL="-j $(nproc)"
 export PDF2HTMLEX_BRANCH=update-poppler
 # export PDF2HTMLEX_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
 
+# The following environment variable determines where the poppler,
+# poppler-data, fontforge and pdf2htmlEX packages are installed.
+# CHANGE IT TO SUIT YOUR NEEDS:
+#
 export PDF2HTMLEX_PREFIX=/usr/local
 
 ################
diff --git a/buildScripts/createAppImage b/buildScripts/createAppImage
index 796567a..77c5b25 100755
--- a/buildScripts/createAppImage
+++ b/buildScripts/createAppImage
@@ -27,7 +27,7 @@ make install DESTDIR=../../imageBuild/appDir
 
 cd ../../poppler-data
 
-make install DESTDIR=../../imageBuild/appDir
+make install prefix=$PDF2HTMLEX_PREFIX DESTDIR=../../imageBuild/appDir
 
 cd ../imageBuild
 
diff --git a/buildScripts/createDockerImage b/buildScripts/createDockerImage
index a075492..9858825 100755
--- a/buildScripts/createDockerImage
+++ b/buildScripts/createDockerImage
@@ -50,7 +50,7 @@ echo "export DOCKER_NAME=\"$DOCKER_NAME\""         >> buildScripts/reSourceVersi
 
   cd ../../poppler-data
 
-  make install DESTDIR=../../imageBuild/dockerDir
+  make install prefix=$PDF2HTMLEX_PREFIX DESTDIR=../../imageBuild/dockerDir
 
   cd ../imageBuild/dockerDir