1 files changed, 4 insertions, 1 deletions

diff --git a/findutils/grep.c b/findutils/grep.c
index 40caef423..0f1c11abb 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -254,7 +254,10 @@ static int grep_file(FILE *file)
                 while (pattern_ptr) {
                         gl = (grep_list_data_t *)pattern_ptr->data;
                         if (FGREP_FLAG) {
-                                found |= (strstr(line, gl->pattern) != NULL);
+                                found |= (((option_mask32 & OPT_i)
+                                        ? strcasestr(line, gl->pattern)
+                                        : strstr(line, gl->pattern)
+                                        ) != NULL);
                         } else {
                                 if (!(gl->flg_mem_alocated_compiled & COMPILED)) {
                                         gl->flg_mem_alocated_compiled |= COMPILED;