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-rw-r--r--src/t_string.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/t_string.c b/src/t_string.c
index 0b159e6b3..b715e144a 100644
--- a/src/t_string.c
+++ b/src/t_string.c
@@ -551,7 +551,7 @@ void lcsCommand(client *c) {
* LCS A0..i-1, B0..j-1. Note that we have a linear array here, so
* we index it as LCS[i+alen*j] */
uint32_t *lcs = zmalloc((alen+1)*(blen+1)*sizeof(uint32_t));
- #define LCS(A,B) lcs[(A)+((B)*(alen+1))]
+ #define LCS(A,B) lcs[(B)+((A)*(blen+1))]
/* Start building the LCS table. */
for (uint32_t i = 0; i <= alen; i++) {