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-rw-r--r--pkgs/build-support/setup-hooks/patch-shebangs.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/build-support/setup-hooks/patch-shebangs.sh b/pkgs/build-support/setup-hooks/patch-shebangs.sh
index 152755992f68..9d8cd0217a53 100644
--- a/pkgs/build-support/setup-hooks/patch-shebangs.sh
+++ b/pkgs/build-support/setup-hooks/patch-shebangs.sh
@@ -5,7 +5,7 @@
 # rewritten to /nix/store/<hash>/bin/python.  Interpreters that are
 # already in the store are left untouched.
 
-fixupOutputHooks+=('if [ -z "$dontPatchShebangs" ]; then patchShebangs "$prefix"; fi')
+fixupOutputHooks+=('if [ -z "$dontPatchShebangs" -a -e "$prefix" ]; then patchShebangs "$prefix"; fi')
 
 patchShebangs() {
     local dir="$1"