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-rw-r--r--nixpkgs/pkgs/development/interpreters/guile/setup-hook-2.0.sh8
1 files changed, 4 insertions, 4 deletions
diff --git a/nixpkgs/pkgs/development/interpreters/guile/setup-hook-2.0.sh b/nixpkgs/pkgs/development/interpreters/guile/setup-hook-2.0.sh
index c7fb4f70fc6a..6bb3910aaff4 100644
--- a/nixpkgs/pkgs/development/interpreters/guile/setup-hook-2.0.sh
+++ b/nixpkgs/pkgs/development/interpreters/guile/setup-hook-2.0.sh
@@ -1,12 +1,12 @@
 addGuileLibPath () {
     if test -d "$1/share/guile/site/2.0"
     then
-        export GUILE_LOAD_PATH="${GUILE_LOAD_PATH}${GUILE_LOAD_PATH:+:}$1/share/guile/site/2.0"
-        export GUILE_LOAD_COMPILED_PATH="${GUILE_LOAD_COMPILED_PATH}${GUILE_LOAD_COMPILED_PATH:+:}$1/share/guile/site/2.0"
+        export GUILE_LOAD_PATH="${GUILE_LOAD_PATH-}${GUILE_LOAD_PATH:+:}$1/share/guile/site/2.0"
+        export GUILE_LOAD_COMPILED_PATH="${GUILE_LOAD_COMPILED_PATH-}${GUILE_LOAD_COMPILED_PATH:+:}$1/share/guile/site/2.0"
     elif test -d "$1/share/guile/site"
     then
-        export GUILE_LOAD_PATH="${GUILE_LOAD_PATH}${GUILE_LOAD_PATH:+:}$1/share/guile/site"
-        export GUILE_LOAD_COMPILED_PATH="${GUILE_LOAD_COMPILED_PATH}${GUILE_LOAD_COMPILED_PATH:+:}$1/share/guile/site"
+        export GUILE_LOAD_PATH="${GUILE_LOAD_PATH-}${GUILE_LOAD_PATH:+:}$1/share/guile/site"
+        export GUILE_LOAD_COMPILED_PATH="${GUILE_LOAD_COMPILED_PATH-}${GUILE_LOAD_COMPILED_PATH:+:}$1/share/guile/site"
     fi
 }