diff --git a/libr/bin/p/bin_java.c b/libr/bin/p/bin_java.c
index e889c73c4c..10f2cff9a8 100644
--- a/libr/bin/p/bin_java.c
+++ b/libr/bin/p/bin_java.c
@@ -118,7 +118,7 @@ static int check(RBinArch *arch) {
 		memcpy (&off, arch->buf->buf+4*sizeof(int), sizeof(int));
 		r_mem_copyendian ((ut8*)&off, (ut8*)&off, sizeof(int), !LIL_ENDIAN);
 		if (off > 0 && off < arch->buf->length) {
-			memcpy (arch->buf->buf, arch->buf->buf+off, 4);
+			memmove (arch->buf->buf, arch->buf->buf+off, 4);
 			if (!memcmp (arch->buf->buf, "\xce\xfa\xed\xfe", 4) ||
 				!memcmp (arch->buf->buf, "\xfe\xed\xfa\xce", 4) ||
 				!memcmp (arch->buf->buf, "\xfe\xed\xfa\xcf", 4) ||
diff --git a/libr/line/dietline.c b/libr/line/dietline.c
index 6a9ef54106..5ed41dcbe0 100644
--- a/libr/line/dietline.c
+++ b/libr/line/dietline.c
@@ -408,7 +408,7 @@ R_API char *r_line_readline() {
 			if (I.buffer.index < I.buffer.length) {
 				if (I.buffer.index>0) {
 					I.buffer.index--;
-					memcpy (I.buffer.data+I.buffer.index,
+					memmove (I.buffer.data+I.buffer.index,
 						I.buffer.data+I.buffer.index+1,
 						strlen (I.buffer.data+I.buffer.index));
 				}