diff --git a/libavcodec/lpc.c b/libavcodec/lpc.c
index 1d52edf744..198903028b 100644
--- a/libavcodec/lpc.c
+++ b/libavcodec/lpc.c
@@ -20,7 +20,7 @@
  */
 
 #include "libavutil/common.h"
-#include "libavutil/lls.h"
+#include "libavutil/lls2.h"
 
 #define LPC_USE_DOUBLE
 #include "lpc.h"
diff --git a/libavutil/Makefile b/libavutil/Makefile
index 21746f0713..ba759f07c0 100644
--- a/libavutil/Makefile
+++ b/libavutil/Makefile
@@ -89,7 +89,7 @@ OBJS = adler32.o                                                        \
        intfloat_readwrite.o                                             \
        intmath.o                                                        \
        lfg.o                                                            \
-       lls.o                                                            \
+       lls2.o                                                           \
        log.o                                                            \
        log2_tab.o                                                       \
        mathematics.o                                                    \
@@ -142,7 +142,7 @@ TESTPROGS = adler32                                                     \
             fifo                                                        \
             hmac                                                        \
             lfg                                                         \
-            lls                                                         \
+            lls2                                                        \
             md5                                                         \
             murmur3                                                     \
             opt                                                         \
diff --git a/libavutil/lls.c b/libavutil/lls2.c
similarity index 99%
rename from libavutil/lls.c
rename to libavutil/lls2.c
index abed8efaff..f381ebc3ff 100644
--- a/libavutil/lls.c
+++ b/libavutil/lls2.c
@@ -30,7 +30,7 @@
 
 #include "attributes.h"
 #include "version.h"
-#include "lls.h"
+#include "lls2.h"
 
 static void update_lls(LLSModel *m, double *var)
 {
diff --git a/libavutil/lls.h b/libavutil/lls2.h
similarity index 100%
rename from libavutil/lls.h
rename to libavutil/lls2.h
diff --git a/libavutil/x86/lls_init.c b/libavutil/x86/lls_init.c
index 181ca38dae..b2424b3645 100644
--- a/libavutil/x86/lls_init.c
+++ b/libavutil/x86/lls_init.c
@@ -20,7 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavutil/lls.h"
+#include "libavutil/lls2.h"
 #include "libavutil/x86/cpu.h"
 
 void ff_update_lls_sse2(LLSModel *m, double *var);