diff --git a/lib/system/sysstr.nim b/lib/system/sysstr.nim
index 4244bae4cb..a6a555c082 100644
--- a/lib/system/sysstr.nim
+++ b/lib/system/sysstr.nim
@@ -252,8 +252,8 @@ proc nimIntToStr(x: int): string {.compilerRtl.} =
 
 proc nimFloatToStr(x: float): string {.compilerproc.} =
   var buf: array [0..59, char]
-  c_sprintf(buf, "%#.16e", x)
-  return $buf
+  c_sprintf(buf, "%#.f", x)
+  result = $buf
 
 proc nimInt64ToStr(x: int64): string {.compilerRtl.} =
   result = newString(sizeof(x)*4)