diff --git a/src/parse-gram.c b/src/parse-gram.c
index ae55739d..6d4105a4 100644
--- a/src/parse-gram.c
+++ b/src/parse-gram.c
@@ -3057,7 +3057,7 @@ add_param (param_type type, char *decl, location loc)
       --p;
     p[1] = '\0';
     ++decl;
-  while (c_isspace ((unsigned char) *decl))
+    while (c_isspace ((unsigned char) *decl))
       ++decl;
   }
 
diff --git a/src/parse-gram.y b/src/parse-gram.y
index c4b96764..30b97e35 100644
--- a/src/parse-gram.y
+++ b/src/parse-gram.y
@@ -803,7 +803,7 @@ add_param (param_type type, char *decl, location loc)
       --p;
     p[1] = '\0';
     ++decl;
-  while (c_isspace ((unsigned char) *decl))
+    while (c_isspace ((unsigned char) *decl))
       ++decl;
   }