diff --git a/pkg/fanal/analyzer/config/terraform/terraform.go b/pkg/fanal/analyzer/config/terraform/terraform.go
index 20e98c6c85aa..291711176649 100644
--- a/pkg/fanal/analyzer/config/terraform/terraform.go
+++ b/pkg/fanal/analyzer/config/terraform/terraform.go
@@ -16,7 +16,8 @@ import (
 
 const version = 1
 
-var requiredExts = []string{".tf", ".tf.json"}
+// List of Terraforma file suffix without "."
+var requiredExts = []string{"tf", "tf.json"}
 
 type ConfigAnalyzer struct {
 	filePattern *regexp.Regexp
@@ -49,7 +50,7 @@ func (a ConfigAnalyzer) Analyze(_ context.Context, input analyzer.AnalysisInput)
 }
 
 func (a ConfigAnalyzer) Required(filePath string, _ os.FileInfo) bool {
-	return slices.Contains(requiredExts, filepath.Ext(filePath))
+	return slices.Contains(requiredExts, strings.SplitAfterN(filePath, ".", 2))
 }
 
 func (ConfigAnalyzer) Type() analyzer.Type {