diff --git a/ide/fpmake.pp b/ide/fpmake.pp
index d0b9bc9244..6243b67159 100644
--- a/ide/fpmake.pp
+++ b/ide/fpmake.pp
@@ -146,6 +146,8 @@ begin
     P.Dependencies.Add('rtl');
     P.Dependencies.Add('fv');
     P.Dependencies.Add('chm');
+    { This one is only needed if DEBUG is set }
+    P.Dependencies.Add('regexpr');
     P.Dependencies.Add('gdbint',AllOSes-[morphos]);
     P.Dependencies.Add('graph',[go32v2]);