diff --git a/caddyhttp/httpserver/condition.go b/caddyhttp/httpserver/condition.go
index 0c65a505..8e33a88e 100644
--- a/caddyhttp/httpserver/condition.go
+++ b/caddyhttp/httpserver/condition.go
@@ -9,7 +9,7 @@ import (
 	"github.com/mholt/caddy/caddyfile"
 )
 
-// SetupIfMatcher parses `if` or `if_type` in the current dispenser block.
+// SetupIfMatcher parses `if` or `if_op` in the current dispenser block.
 // It returns a RequestMatcher and an error if any.
 func SetupIfMatcher(c caddyfile.Dispenser) (RequestMatcher, error) {
 	var matcher IfMatcher
@@ -195,5 +195,5 @@ func (m IfMatcher) Or(r *http.Request) bool {
 
 // IfMatcherKeyword returns if k is a keyword for 'if' config block.
 func IfMatcherKeyword(k string) bool {
-	return k == "if" || k == "if_cond"
+	return k == "if" || k == "if_op"
 }
diff --git a/caddyhttp/httpserver/condition_test.go b/caddyhttp/httpserver/condition_test.go
index b64858b7..6fd42f09 100644
--- a/caddyhttp/httpserver/condition_test.go
+++ b/caddyhttp/httpserver/condition_test.go
@@ -263,3 +263,24 @@ func TestSetupIfMatcher(t *testing.T) {
 		}
 	}
 }
+
+func TestIfMatcherKeyword(t *testing.T) {
+	tests := []struct {
+		keyword  string
+		expected bool
+	}{
+		{"if", true},
+		{"ifs", false},
+		{"tls", false},
+		{"http", false},
+		{"if_op", true},
+		{"if_type", false},
+		{"if_cond", false},
+	}
+	for i, test := range tests {
+		valid := IfMatcherKeyword(test.keyword)
+		if valid != test.expected {
+			t.Errorf("Test %d: expected %v found %v", i, test.expected, valid)
+		}
+	}
+}