diff --git a/ext/java/config.m4 b/ext/java/config.m4
index 5e06397a3a4..f7ce9953e69 100644
--- a/ext/java/config.m4
+++ b/ext/java/config.m4
@@ -21,7 +21,7 @@ AC_DEFUN(JAVA_FIND_JAR, [
   dnl we have a custom path defined so use it
   dnl
     if test -d $PHP_JAVA/bin; then
-      JAVA_JAR="$PHP_JAVA/bin/javac cf"
+      JAVA_JAR="$PHP_JAVA/bin/jar cf"
     else
       AC_MSG_ERROR([Unable to locate $PHP_JAVA/bin])
     fi
diff --git a/ext/rpc/java/config.m4 b/ext/rpc/java/config.m4
index 5e06397a3a4..f7ce9953e69 100644
--- a/ext/rpc/java/config.m4
+++ b/ext/rpc/java/config.m4
@@ -21,7 +21,7 @@ AC_DEFUN(JAVA_FIND_JAR, [
   dnl we have a custom path defined so use it
   dnl
     if test -d $PHP_JAVA/bin; then
-      JAVA_JAR="$PHP_JAVA/bin/javac cf"
+      JAVA_JAR="$PHP_JAVA/bin/jar cf"
     else
       AC_MSG_ERROR([Unable to locate $PHP_JAVA/bin])
     fi