diff --git a/steps/tcc-0.9.26/pass1.kaem b/steps/tcc-0.9.26/pass1.kaem
index cecffd4a..7a8dc66f 100755
--- a/steps/tcc-0.9.26/pass1.kaem
+++ b/steps/tcc-0.9.26/pass1.kaem
@@ -187,7 +187,7 @@ tcc-boot0 \
     -D CONFIG_TCC_CRTPREFIX=\"${libdir}\" \
     -D CONFIG_TCC_ELFINTERP=\"/mes/loader\" \
     -D CONFIG_TCC_LIBPATHS=\"${libdir}:${libdir}/tcc\" \
-    -D CONFIG_TCC_SYSINCLUDEPATHS=\"${prefix}/include\" \
+    -D CONFIG_TCC_SYSINCLUDEPATHS=\"${prefix}/include/mes\" \
     -D TCC_LIBGCC=\"${libdir}/libc.a\" \
     -D TCC_LIBTCC1=\"libtcc1.a\" \
     -D CONFIG_TCCBOOT=1 \