diff --git a/configure.ac b/configure.ac
index e616958c..6be518dc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -323,7 +323,7 @@ else
 fi
 
 dnl Support JNI under MacOsX
-if [ "$DARWIN" = 1 ]; then
+if test  "$DARWIN" == 1; then
     JNI_EXTRA_LDFLAGS="-shrext .jnilib"
 fi