diff --git a/libavcodec/4xm.c b/libavcodec/4xm.c
index 9a45b1b..1eaae48 100644
--- a/libavcodec/4xm.c
+++ b/libavcodec/4xm.c
@@ -836,7 +836,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
                                      cfrm->size + data_size + FF_INPUT_BUFFER_PADDING_SIZE);
         // explicit check needed as memcpy below might not catch a NULL
         if (!cfrm->data) {
-            av_log(f->avctx, AV_LOG_ERROR, "realloc falure");
+            av_log(f->avctx, AV_LOG_ERROR, "realloc falure\n");
             return -1;
         }
 
diff --git a/libavcodec/alac.c b/libavcodec/alac.c
index 6d04796..9cd1737 100644
--- a/libavcodec/alac.c
+++ b/libavcodec/alac.c
@@ -490,7 +490,7 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data,
             break;
         }
         if (element > TYPE_CPE && element != TYPE_LFE) {
-            av_log(avctx, AV_LOG_ERROR, "syntax element unsupported: %d", element);
+            av_log(avctx, AV_LOG_ERROR, "syntax element unsupported: %d\n", element);
             return AVERROR_PATCHWELCOME;
         }
 
diff --git a/libavcodec/dirac.c b/libavcodec/dirac.c
index bab3980..b26fff7 100644
--- a/libavcodec/dirac.c
+++ b/libavcodec/dirac.c
@@ -232,7 +232,7 @@ static int parse_source_parameters(AVCodecContext *avctx, GetBitContext *gb,
     }
 
     if (luma_depth > 8)
-        av_log(avctx, AV_LOG_WARNING, "Bitdepth greater than 8");
+        av_log(avctx, AV_LOG_WARNING, "Bitdepth greater than 8\n");
 
     avctx->pix_fmt = dirac_pix_fmt[!luma_offset][source->chroma_format];
 
@@ -319,7 +319,7 @@ int avpriv_dirac_parse_sequence_header(AVCodecContext *avctx, GetBitContext *gb,
      * currently only used to signal field coding */
     picture_coding_mode = svq3_get_ue_golomb(gb);
     if (picture_coding_mode != 0) {
-        av_log(avctx, AV_LOG_ERROR, "Unsupported picture coding mode %d",
+        av_log(avctx, AV_LOG_ERROR, "Unsupported picture coding mode %d\n",
                picture_coding_mode);
         return AVERROR_INVALIDDATA;
     }
diff --git a/libavcodec/libopenjpegenc.c b/libavcodec/libopenjpegenc.c
index 31e643d..22add08 100644
--- a/libavcodec/libopenjpegenc.c
+++ b/libavcodec/libopenjpegenc.c
@@ -131,7 +131,7 @@ static opj_image_t *mj2_create_image(AVCodecContext *avctx, opj_cparameters_t *p
 
     cmptparm = av_mallocz(numcomps * sizeof(*cmptparm));
     if (!cmptparm) {
-        av_log(avctx, AV_LOG_ERROR, "Not enough memory");
+        av_log(avctx, AV_LOG_ERROR, "Not enough memory\n");
         return NULL;
     }
     for (i = 0; i < numcomps; i++) {
diff --git a/libavcodec/libspeexdec.c b/libavcodec/libspeexdec.c
index 0442619..60859b7 100644
--- a/libavcodec/libspeexdec.c
+++ b/libavcodec/libspeexdec.c
@@ -59,7 +59,7 @@ static av_cold int libspeex_decode_init(AVCodecContext *avctx)
 
         mode = speex_lib_get_mode(s->header->mode);
         if (!mode) {
-            av_log(avctx, AV_LOG_ERROR, "Unknown Speex mode %d", s->header->mode);
+            av_log(avctx, AV_LOG_ERROR, "Unknown Speex mode %d\n", s->header->mode);
             return AVERROR_INVALIDDATA;
         }
     } else
diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c
index 423872c..5fae4d1 100644
--- a/libavcodec/mlpdec.c
+++ b/libavcodec/mlpdec.c
@@ -736,7 +736,7 @@ static int read_decoding_params(MLPDecodeContext *m, GetBitContext *gbp,
         if (get_bits1(gbp)) {
             s->blocksize = get_bits(gbp, 9);
             if (s->blocksize < 8 || s->blocksize > m->access_unit_size) {
-                av_log(m->avctx, AV_LOG_ERROR, "Invalid blocksize.");
+                av_log(m->avctx, AV_LOG_ERROR, "Invalid blocksize.\n");
                 s->blocksize = 0;
                 return AVERROR_INVALIDDATA;
             }
diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c
index da3aa68..5c19735 100644
--- a/libavcodec/rv34.c
+++ b/libavcodec/rv34.c
@@ -1650,7 +1650,7 @@ int ff_rv34_decode_frame(AVCodecContext *avctx,
     /* first slice */
     if (si.start == 0) {
         if (s->mb_num_left > 0) {
-            av_log(avctx, AV_LOG_ERROR, "New frame but still %d MB left.",
+            av_log(avctx, AV_LOG_ERROR, "New frame but still %d MB left.\n",
                    s->mb_num_left);
             ff_er_frame_end(s);
             ff_MPV_frame_end(s);