diff --git a/compiler/cgen.nim b/compiler/cgen.nim
index 6fa60cbcd..a6ae2c9a0 100644
--- a/compiler/cgen.nim
+++ b/compiler/cgen.nim
@@ -686,17 +686,17 @@ include ccgcalls, "ccgstmts.nim"
 
 proc initFrame(p: BProc, procname, filename: Rope): Rope =
   const frameDefines = """
-  $1  define nimfr_(proc, file) \
-      TFrame FR_; \
-      FR_.procname = proc; FR_.filename = file; FR_.line = 0; FR_.len = 0; #nimFrame(&FR_);
+$1define nimfr_(proc, file) \
+  TFrame FR_; \
+  FR_.procname = proc; FR_.filename = file; FR_.line = 0; FR_.len = 0; #nimFrame(&FR_);
 
-  $1  define nimfrs_(proc, file, slots, length) \
-      struct {TFrame* prev;NCSTRING procname;NI line;NCSTRING filename; NI len; VarSlot s[slots];} FR_; \
-      FR_.procname = proc; FR_.filename = file; FR_.line = 0; FR_.len = length; #nimFrame((TFrame*)&FR_);
+  $1define nimfrs_(proc, file, slots, length) \
+    struct {TFrame* prev;NCSTRING procname;NI line;NCSTRING filename;NI len;VarSlot s[slots];} FR_; \
+    FR_.procname = proc; FR_.filename = file; FR_.line = 0; FR_.len = length; #nimFrame((TFrame*)&FR_);
 
-  $1  define nimln_(n, file) \
-      FR_.line = n; FR_.filename = file;
-  """
+  $1define nimln_(n, file) \
+    FR_.line = n; FR_.filename = file;
+"""
   if p.module.s[cfsFrameDefines].len == 0:
     appcg(p.module, p.module.s[cfsFrameDefines], frameDefines, ["#"])