diff --git a/legacy/eina/configure.ac b/legacy/eina/configure.ac
index 08ccb41bc8..26042b9549 100644
--- a/legacy/eina/configure.ac
+++ b/legacy/eina/configure.ac
@@ -589,22 +589,22 @@ AC_CHECK_FUNCS([fpathconf], [AC_DEFINE(HAVE_FPATHCONF)], [])
 have_shmopen=no
 AC_MSG_CHECKING(for shm_open availability)
 
-LIBS_save = "${LIBS}"
+LIBS_save="${LIBS}"
 LIBS="${LIBS} -lrt"
 AC_LINK_IFELSE(
-  [AC_LANG_PROGRAM(
-      [[
+   [AC_LANG_PROGRAM(
+       [[
 #include <sys/mman.h>
 #include <sys/stat.h>        /* For mode constants */
 #include <fcntl.h>           /* For O_* constants */
-      ]],
-      [[
+       ]],
+       [[
 int fd;
 
 fd = shm_open("/dev/null", O_RDONLY, S_IRWXU | S_IRWXG | S_IRWXO);
-      ]])],
-  [have_shmopen="yes"],
-  [have_shmopen="no"])
+       ]])],
+   [have_shmopen="yes"],
+   [have_shmopen="no"])
 
 LIBS="${LIBS_save}"
 
@@ -612,7 +612,7 @@ AC_MSG_RESULT([${have_shmopen}])
 
 if test "x${have_shmopen}" = "xyes"; then
    AC_DEFINE(HAVE_SHMOPEN, 1, [Does your system provide shm_open])
-   LIBS="${LIBS} -lrt"
+   EINA_LIBS="${EINA_LIBS} -lrt"
 fi
 
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