diff --git a/iscsi-scst/usr/target.c b/iscsi-scst/usr/target.c
index 05cee9d15..2d475edb1 100644
--- a/iscsi-scst/usr/target.c
+++ b/iscsi-scst/usr/target.c
@@ -68,7 +68,7 @@ static int __wildcmp(const char *wild, const char *string, int recursion_level)
 		if ((*wild == '!') && (recursion_level == 0))
 			return !__wildcmp(++wild, string, ++recursion_level);
 
-		if ((*wild != *string) && (*wild != '?'))
+		if ((tolower(*wild) != tolower(*string)) && (*wild != '?'))
 			return 0;
 
 		wild++;
@@ -85,7 +85,7 @@ static int __wildcmp(const char *wild, const char *string, int recursion_level)
 
 			mp = wild;
 			cp = string+1;
-		} else if ((*wild == *string) || (*wild == '?')) {
+		} else if ((tolower(*wild) == tolower(*string)) || (*wild == '?')) {
 			wild++;
 			string++;
 		} else {
diff --git a/scst/src/scst_targ.c b/scst/src/scst_targ.c
index c9800fdf2..35f0fcbb5 100644
--- a/scst/src/scst_targ.c
+++ b/scst/src/scst_targ.c
@@ -26,6 +26,7 @@
 #include <linux/sched.h>
 #include <linux/unistd.h>
 #include <linux/string.h>
+#include <linux/ctype.h>
 #include <linux/kthread.h>
 #include <linux/delay.h>
 #include <linux/ktime.h>
@@ -6396,7 +6397,7 @@ static bool __wildcmp(const char *wild, const char *string, int recursion_level)
 		if ((*wild == '!') && (recursion_level == 0))
 			return !__wildcmp(++wild, string, ++recursion_level);
 
-		if ((*wild != *string) && (*wild != '?'))
+		if ((tolower(*wild) != tolower(*string)) && (*wild != '?'))
 			return false;
 
 		wild++;
@@ -6413,7 +6414,7 @@ static bool __wildcmp(const char *wild, const char *string, int recursion_level)
 
 			mp = wild;
 			cp = string+1;
-		} else if ((*wild == *string) || (*wild == '?')) {
+		} else if ((tolower(*wild) == tolower(*string)) || (*wild == '?')) {
 			wild++;
 			string++;
 		} else {