diff --git a/conf/armv7l/portage/env/dev-libs-pth.conf b/conf/armv7l/portage/env/dev-libs-pth.conf
new file mode 100644
index 0000000..0148b25
--- /dev/null
+++ b/conf/armv7l/portage/env/dev-libs-pth.conf
@@ -0,0 +1,2 @@
+# Fixes compilation
+CFLAGS="-DJB_SP=8 -DJB_PC=9"
diff --git a/conf/armv7l/portage/package.env b/conf/armv7l/portage/package.env
index fd363d8..6b7703f 100644
--- a/conf/armv7l/portage/package.env
+++ b/conf/armv7l/portage/package.env
@@ -1,2 +1,4 @@
 # disable distcc for packages having troubles
 sys-kernel/beagleboard-sources no-distcc.conf
+# fix compilation
+dev-libs/pth dev-libs-pth.conf