diff --git a/contrib/alpine/install.sh b/contrib/alpine/install.sh
index fbf3df9d..db69b143 100755
--- a/contrib/alpine/install.sh
+++ b/contrib/alpine/install.sh
@@ -10,7 +10,7 @@ fi
 # Adjust base directory
 if [ -e alpine-release ]; then
     cd ../..
-elif [ ! -e autogen.sh ]; then
+elif [ ! -e configure.ac ]; then
     echo "*** Please run this script from the Finit base directory."
     exit 1
 fi
diff --git a/contrib/debian/install.sh b/contrib/debian/install.sh
index 9926deb5..4a67b773 100755
--- a/contrib/debian/install.sh
+++ b/contrib/debian/install.sh
@@ -11,7 +11,7 @@ fi
 grep -q Debian os-release 2>/dev/null
 if [ $? -eq 0 ]; then
     cd ../..
-elif [ ! -e autogen.sh ]; then
+elif [ ! -e configure.ac ]; then
     echo "*** Please run this script from the Finit base directory."
     exit 1
 fi
diff --git a/contrib/void/install.sh b/contrib/void/install.sh
index c85a8ed0..513a2252 100755
--- a/contrib/void/install.sh
+++ b/contrib/void/install.sh
@@ -10,7 +10,7 @@ fi
 # Adjust base directory
 if [ -e xbps ]; then
     cd ../..
-elif [ ! -e autogen.sh ]; then
+elif [ ! -e configure.ac ]; then
     echo "*** Please run this script from the Finit base directory."
     exit 1
 fi