diff --git src/bin/Makefile.am src/bin/Makefile.am
index b196d75..e4ac6c0 100644
--- src/bin/Makefile.am
+++ src/bin/Makefile.am
@@ -87,7 +87,15 @@ endif
 		echo "# XDG_DATA_DIRS will be set so that our documentation" >> $@.tmp; \
 		echo "# and gsettings schemas are found." >> $@.tmp; \
 		echo "XDG_DATA_DIRS=$(datadir);{XDG_DATA_DIRS};$(XDG_DATA_DIRS);/usr/local/share/;/usr/share/" >> $@.tmp; \
+		if [ ${PYTHON} != none ]; \
+		then \
+			echo  >> $@.tmp; \
+			echo "# Define PYTHONPATH for non default installation path." >> $@.tmp; \
+			echo "PYTHONPATH={SYS_LIB}/python2.7/site-packages;{PYTHONPATH}" >> $@.tmp; \
+		fi; \
 	fi
+	
+	
 	mv $@.tmp $@
 
 CLEANFILES = $(BUILT_SOURCES) ${config_DATA} ${PLATFORM_FILES}
diff --git src/bin/environment.in src/bin/environment.in
index 97f3df4..e758203 100644
--- src/bin/environment.in
+++ src/bin/environment.in
@@ -44,7 +44,7 @@ PATH={GNC_BIN};{PATH}
 GNC_MODULE_PATH={GNC_LIB};{GNC_MODULE_PATH}
 
 # Tell GnuCash where to look for local python site-packages.
-PYTHONPATH={SYS_LIB}/python2.7/site-packages;{PYTHONPATH}
+#PYTHONPATH={SYS_LIB}/python2.7/site-packages;{PYTHONPATH}
 
 # Prevent embedded guile from issuing deprecation warnings
 GUILE_WARN_DEPRECATED=no
