diff --git a/internal/utils/utils_str.go b/internal/utils/utils_str.go
index 01d47819070..37cc0318cd9 100644
--- a/internal/utils/utils_str.go
+++ b/internal/utils/utils_str.go
@@ -64,7 +64,7 @@ func IsNumeric(s string) bool {
 		}
 		if s[i] == '.' {
 			dotCount++
-			if i > 0 && i < length-1 {
+			if i > 0 && i < length-1 && s[i-1] >= '0' && s[i-1] <= '9' {
 				continue
 			} else {
 				return false
diff --git a/internal/utils/utils_z_unit_test.go b/internal/utils/utils_z_unit_test.go
index 8c73eeac1fb..40b228e38e6 100644
--- a/internal/utils/utils_z_unit_test.go
+++ b/internal/utils/utils_z_unit_test.go
@@ -124,5 +124,7 @@ func Test_IsNumeric(t *testing.T) {
 		t.Assert(utils.IsNumeric("."), false)
 		t.Assert(utils.IsNumeric("-."), false)
 		t.Assert(utils.IsNumeric("+."), false)
+		t.Assert(utils.IsNumeric("-.1"), false)
+		t.Assert(utils.IsNumeric("+.1"), false)
 	})
 }