diff --git a/ognibuild/requirements.py b/ognibuild/requirements.py
index 60c6d9a..8486d11 100644
--- a/ognibuild/requirements.py
+++ b/ognibuild/requirements.py
@@ -177,7 +177,11 @@ class VagueDependencyRequirement(Requirement):
             from .resolver.apt import AptRequirement
 
             yield AptRequirement.simple(self.name.lower(), minimum_version=self.minimum_version)
-            yield AptRequirement.simple('lib%s-dev' % self.name.lower(), minimum_version=self.minimum_version)
+            if self.name.lower().startswith('lib'):
+                devname = '%s-dev' % self.name.lower()
+            else:
+                devname = 'lib%s-dev' % self.name.lower()
+            yield AptRequirement.simple(devname, minimum_version=self.minimum_version)
 
     def met(self, session):
         for x in self.expand():