diff --git a/pkgs/stdenv/generic/setup.sh b/pkgs/stdenv/generic/setup.sh
index 7e4c5edbc869..a283ba25dd91 100644
--- a/pkgs/stdenv/generic/setup.sh
+++ b/pkgs/stdenv/generic/setup.sh
@@ -515,7 +515,7 @@ findInputs() {
     local -r targetOffset="$3"
 
     # Sanity check
-    (( hostOffset <= targetOffset )) || exit -1
+    (( hostOffset <= targetOffset )) || exit 1
 
     local varVar="${pkgAccumVarVars[hostOffset + 1]}"
     local varRef="$varVar[$((targetOffset - hostOffset))]"
@@ -644,7 +644,7 @@ activatePackage() {
     local -r targetOffset="$3"
 
     # Sanity check
-    (( hostOffset <= targetOffset )) || exit -1
+    (( hostOffset <= targetOffset )) || exit 1
 
     if [ -f "$pkg" ]; then
         source "$pkg"