diff --git a/nimble.nimble b/nimble.nimble
index 68b439b..fde18da 100644
--- a/nimble.nimble
+++ b/nimble.nimble
@@ -22,7 +22,7 @@ srcDir = "src"
 
 requires "nim >= 0.13.0", "compiler#head"
 
-when defined(nimdistros):
+when defined(nimbledistros):
   import distros
   if detectOs(Ubuntu):
     foreignDep "libssl-dev"
diff --git a/readme.markdown b/readme.markdown
index 97a28d5..8616438 100644
--- a/readme.markdown
+++ b/readme.markdown
@@ -590,7 +590,7 @@ As an example, to specify a dependency on openssl you may put this in your
 .nimble file:
 
 ```nim
-when defined(nimdistros):
+when defined(nimbledistros):
   import distros
   if detectOs(Ubuntu):
     foreignDep "libssl-dev"
diff --git a/src/nimblepkg/nimscriptsupport.nim b/src/nimblepkg/nimscriptsupport.nim
index 3121e5b..bbdb954 100644
--- a/src/nimblepkg/nimscriptsupport.nim
+++ b/src/nimblepkg/nimscriptsupport.nim
@@ -241,6 +241,7 @@ proc execScript(scriptName: string, flags: StringTableRef,
   defineSymbol("nimscript")
   defineSymbol("nimconfig")
   defineSymbol("nimble")
+  defineSymbol("nimbledistros")
   registerPass(semPass)
   registerPass(evalPass)