diff --git a/hooks/dapper/80-install-modules b/hooks/dapper/80-install-modules
index 76380fe..0e058a9 100755
--- a/hooks/dapper/80-install-modules
+++ b/hooks/dapper/80-install-modules
@@ -41,7 +41,7 @@ linux_modules_package="linux-modules-$(uname -r)"
 #  Attempt to install that package.  This will either work on an Etch
 # system, or fail on a Sarge/custom kernel.
 #
-if chroot ${prefix} apt-cache policy ${linux_modules_package} 2>/dev/null; then
+if chroot ${prefix} /usr/bin/apt-cache policy ${linux_modules_package} 2>/dev/null; then
 
         #
         # If it worked then we can install the package.
diff --git a/hooks/debian/80-install-modules b/hooks/debian/80-install-modules
index 71e8ce1..c8e9083 100755
--- a/hooks/debian/80-install-modules
+++ b/hooks/debian/80-install-modules
@@ -41,7 +41,7 @@ linux_modules_package="linux-modules-$(uname -r)"
 #  Attempt to install that package.  This will either work on an Etch
 # system, or fail on a Sarge/custom kernel.
 #
-if chroot ${prefix} apt-cache policy ${linux_modules_package} 2>/dev/null; then
+if chroot ${prefix} /usr/bin/apt-cache policy ${linux_modules_package} 2>/dev/null; then
 
         #
         # If it worked then we can install the package.
diff --git a/hooks/edgy/80-install-modules b/hooks/edgy/80-install-modules
index 76380fe..0e058a9 100755
--- a/hooks/edgy/80-install-modules
+++ b/hooks/edgy/80-install-modules
@@ -41,7 +41,7 @@ linux_modules_package="linux-modules-$(uname -r)"
 #  Attempt to install that package.  This will either work on an Etch
 # system, or fail on a Sarge/custom kernel.
 #
-if chroot ${prefix} apt-cache policy ${linux_modules_package} 2>/dev/null; then
+if chroot ${prefix} /usr/bin/apt-cache policy ${linux_modules_package} 2>/dev/null; then
 
         #
         # If it worked then we can install the package.