diff --git a/src/parsetoml.nim b/src/parsetoml.nim
index 8993d64..65ef7ef 100644
--- a/src/parsetoml.nim
+++ b/src/parsetoml.nim
@@ -36,6 +36,8 @@ import streams
 import strutils
 import tables
 import unicode
+from parseutils import parseFloat
+
 export tables
 
 when (NimMajor, NimMinor, NimPatch) < (1, 4, 0):
@@ -271,9 +273,9 @@ proc parseEncoding(state: var ParserState): TomlValueRef =
 proc parseDecimalPart(state: var ParserState): float64 =
   var
     nextChar: char
-    invPowerOfTen = 10.0
     firstPos = true
     wasUnderscore = false
+    decimalPartStr = "0."
 
   result = 0.0
   while true:
@@ -293,11 +295,11 @@ proc parseDecimalPart(state: var ParserState): float64 =
         raise newTomlError(state, "decimal part empty")
       break
 
-    result = result + (int(nextChar) - int('0')).float / invPowerOfTen
-    invPowerOfTen *= 10
+    decimalPartStr.add(nextChar)
 
     firstPos = false
-
+  doAssert decimalPartStr.len > 2 # decimalPartStr shouldn't still be "0." at this point
+  discard parseutils.parseFloat(decimalPartStr, result)
 
 proc stringDelimiter(kind: StringType): char {.inline, noSideEffect.} =
   result = (case kind
diff --git a/tests/test1.nim b/tests/test1.nim
index 5de12e3..b234d18 100644
--- a/tests/test1.nim
+++ b/tests/test1.nim
@@ -95,3 +95,7 @@ file_name = "test.txt"
     tomlRef.setEmptyTableVal()
     check:
       tomlRef.kind == TomlValueKind.Table
+
+suite "bug fixes":
+  test "issue-45":
+    check $("some_float = 0.123".parseString()["some_float"].getFloat()) == "0.123"