diff --git a/src/bin/environment.in b/src/bin/environment.in
index 333525d0bb..68ba01725e 100644
--- a/src/bin/environment.in
+++ b/src/bin/environment.in
@@ -41,11 +41,14 @@ GNC_MODULE_PATH={GNC_LIB};{GNC_MODULE_PATH}
 # Prevent embedded guile from issuing deprecation warnings
 GUILE_WARN_DEPRECATED=no
 
-# Tell Guile where to find GnuCash specific guile modules
-# GUILE_LIBS can be used to override the path to Guile's own modules
+# Tell Guile where to find GnuCash specific guile modules GUILE_LIBS
+# can be used to override the path to Guile's own modules; likewise,
+# GUILE_COMPILED_LIBS overrides the path to Guile's precompiled
+# modules.
 # GUILE_LIBS=
+# GUILE_COMPILED_LIBS=
 GUILE_LOAD_PATH={GNC_DATA}/scm;{GUILE_LIBS};{GUILE_LOAD_PATH}
-GUILE_LOAD_COMPILED_PATH={GNC_DATA}/scm/ccache/@-GUILE_EFFECTIVE_VERSION-@;{GUILE_LIBS};{GUILE_LOAD_PATH}
+GUILE_LOAD_COMPILED_PATH={GNC_DATA}/scm/ccache/@-GUILE_EFFECTIVE_VERSION-@;{GUILE_COMPILED_LIBS};{GUILE_LOAD_COMPILED_PATH}
 
 # Tell Guile where to find GnuCash specific shared libraries
 GNC_LIBRARY_PATH={SYS_LIB}