diff --git a/configure b/configure
index 7aaf5df..0b86d04 100755
--- a/configure
+++ b/configure
@@ -25,7 +25,7 @@
     ZINCOUT="-I."
     SRCDIR=""
 else
-    ZINC='-include zconf.h'
+    ZINC='-I. -include zconf.h'
     ZINCOUT='-I. -I$(SRCDIR)'
     SRCDIR="$SRCDIR/"
 fi